diff --git a/python/3d/auto_generated/symbols/qgspoint3dsymbol.sip.in b/python/3d/auto_generated/symbols/qgspoint3dsymbol.sip.in
index 0543268ad03b..57c89f0d2314 100644
--- a/python/3d/auto_generated/symbols/qgspoint3dsymbol.sip.in
+++ b/python/3d/auto_generated/symbols/qgspoint3dsymbol.sip.in
@@ -191,9 +191,9 @@ Returns transform for individual objects represented by the symbol
 Sets transform for individual objects represented by the symbol
 %End
 
-    QMatrix4x4 billboardTransform() const;
+    float billboardHeight() const;
 %Docstring
-Returns transform for billboards
+Returns how much the billboard should be elevated upwards
 %End
 
   private:
diff --git a/python/PyQt6/3d/auto_generated/symbols/qgspoint3dsymbol.sip.in b/python/PyQt6/3d/auto_generated/symbols/qgspoint3dsymbol.sip.in
index 0543268ad03b..57c89f0d2314 100644
--- a/python/PyQt6/3d/auto_generated/symbols/qgspoint3dsymbol.sip.in
+++ b/python/PyQt6/3d/auto_generated/symbols/qgspoint3dsymbol.sip.in
@@ -191,9 +191,9 @@ Returns transform for individual objects represented by the symbol
 Sets transform for individual objects represented by the symbol
 %End
 
-    QMatrix4x4 billboardTransform() const;
+    float billboardHeight() const;
 %Docstring
-Returns transform for billboards
+Returns how much the billboard should be elevated upwards
 %End
 
   private:
diff --git a/src/3d/qgs3dutils.cpp b/src/3d/qgs3dutils.cpp
index 291f1868d67a..5da4d7c9fb2d 100644
--- a/src/3d/qgs3dutils.cpp
+++ b/src/3d/qgs3dutils.cpp
@@ -488,7 +488,7 @@ QMatrix4x4 Qgs3DUtils::stringToMatrix4x4( const QString &str )
   return m;
 }
 
-void Qgs3DUtils::extractPointPositions( const QgsFeature &f, const Qgs3DRenderContext &context, Qgis::AltitudeClamping altClamp, QVector<QVector3D> &positions )
+void Qgs3DUtils::extractPointPositions( const QgsFeature &f, const Qgs3DRenderContext &context, const QgsVector3D &chunkOrigin, Qgis::AltitudeClamping altClamp, QVector<QVector3D> &positions )
 {
   const QgsAbstractGeometry *g = f.geometry().constGet();
   for ( auto it = g->vertices_begin(); it != g->vertices_end(); ++it )
@@ -513,7 +513,10 @@ void Qgs3DUtils::extractPointPositions( const QgsFeature &f, const Qgs3DRenderCo
         h = terrainZ + geomZ;
         break;
     }
-    positions.append( QVector3D( pt.x() - context.origin().x(), h, -( pt.y() - context.origin().y() ) ) );
+    positions.append( QVector3D(
+                        static_cast<float>( pt.x() - chunkOrigin.x() ),
+                        static_cast<float>( pt.y() - chunkOrigin.y() ),
+                        h ) );
     QgsDebugMsgLevel( QStringLiteral( "%1 %2 %3" ).arg( positions.last().x() ).arg( positions.last().y() ).arg( positions.last().z() ), 2 );
   }
 }
diff --git a/src/3d/qgs3dutils.h b/src/3d/qgs3dutils.h
index 388a219fae67..0c8454890065 100644
--- a/src/3d/qgs3dutils.h
+++ b/src/3d/qgs3dutils.h
@@ -143,7 +143,7 @@ class _3D_EXPORT Qgs3DUtils
     static QMatrix4x4 stringToMatrix4x4( const QString &str );
 
     //! Calculates (x,y,z) positions of (multi)point from the given feature
-    static void extractPointPositions( const QgsFeature &f, const Qgs3DRenderContext &context, Qgis::AltitudeClamping altClamp, QVector<QVector3D> &positions );
+    static void extractPointPositions( const QgsFeature &f, const Qgs3DRenderContext &context, const QgsVector3D &chunkOrigin, Qgis::AltitudeClamping altClamp, QVector<QVector3D> &positions );
 
     /**
      * Returns TRUE if bbox is completely outside the current viewing volume.
diff --git a/src/3d/qgsfeature3dhandler_p.cpp b/src/3d/qgsfeature3dhandler_p.cpp
index 8164033e7d89..857d4f71675d 100644
--- a/src/3d/qgsfeature3dhandler_p.cpp
+++ b/src/3d/qgsfeature3dhandler_p.cpp
@@ -28,10 +28,10 @@ void QgsFeature3DHandler::updateZRangeFromPositions( const QVector<QVector3D> &p
 {
   for ( const QVector3D &pos : positions )
   {
-    if ( pos.y() < mZMin )
-      mZMin = pos.y();
-    if ( pos.y() > mZMax )
-      mZMax = pos.y();
+    if ( pos.z() < mZMin )
+      mZMin = pos.z();
+    if ( pos.z() > mZMax )
+      mZMax = pos.z();
   }
 }
 
diff --git a/src/3d/qgsfeature3dhandler_p.h b/src/3d/qgsfeature3dhandler_p.h
index a6e3366f8cb9..a1f89d6a4d1c 100644
--- a/src/3d/qgsfeature3dhandler_p.h
+++ b/src/3d/qgsfeature3dhandler_p.h
@@ -49,7 +49,7 @@ class QgsFeature3DHandler
      * Called before feature iteration starts to initialize, get required attributes.
      * \returns TRUE on success (on FALSE the handler failed to initialize and processFeature() / finalize() should not be called
      */
-    virtual bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames ) = 0;
+    virtual bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin ) = 0;
 
     /**
      * Called for every feature to extract information out of it into some
diff --git a/src/3d/qgsrubberband3d.cpp b/src/3d/qgsrubberband3d.cpp
index f00f5c177d4f..9c9b9a413613 100644
--- a/src/3d/qgsrubberband3d.cpp
+++ b/src/3d/qgsrubberband3d.cpp
@@ -80,6 +80,10 @@ QgsRubberBand3D::QgsRubberBand3D( Qgs3DMapSettings &map, QgsWindow3DEngine *engi
 
   mLineEntity->addComponent( mLineMaterial );
 
+  Qt3DCore::QTransform *lineTransform = new Qt3DCore::QTransform;
+  lineTransform->setRotation( QQuaternion::fromAxisAndAngle( QVector3D( 1, 0, 0 ), -90 ) ); // flip map (x,y,z) to world (x,z,-y)
+  mLineEntity->addComponent( lineTransform );
+
   // Rubberband vertex markers
   mMarkerEntity = new Qt3DCore::QEntity( parentEntity );
   mMarkerGeometry = new QgsBillboardGeometry();
@@ -99,6 +103,10 @@ QgsRubberBand3D::QgsRubberBand3D( Qgs3DMapSettings &map, QgsWindow3DEngine *engi
   mMarkerSymbol = QgsMarkerSymbol::createSimple( props );
   updateMarkerMaterial();
   mMarkerEntity->addComponent( mMarkerGeometryRenderer );
+
+  Qt3DCore::QTransform *markerTransform = new Qt3DCore::QTransform;
+  markerTransform->setRotation( QQuaternion::fromAxisAndAngle( QVector3D( 1, 0, 0 ), -90 ) ); // flip map (x,y,z) to world (x,z,-y)
+  mMarkerEntity->addComponent( markerTransform );
 }
 
 QgsRubberBand3D::~QgsRubberBand3D()
@@ -167,7 +175,7 @@ void QgsRubberBand3D::updateGeometry()
 {
   QgsLineVertexData lineData;
   lineData.withAdjacency = true;
-  lineData.init( Qgis::AltitudeClamping::Absolute, Qgis::AltitudeBinding::Vertex, 0, Qgs3DRenderContext::fromMapSettings( mMapSettings ) );
+  lineData.init( Qgis::AltitudeClamping::Absolute, Qgis::AltitudeBinding::Vertex, 0, Qgs3DRenderContext::fromMapSettings( mMapSettings ), mMapSettings->origin() );
   lineData.addLineString( mLineString );
 
   mPositionAttribute->buffer()->setData( lineData.createVertexBuffer() );
diff --git a/src/3d/qgsrulebased3drenderer.cpp b/src/3d/qgsrulebased3drenderer.cpp
index 7afb11e6f1b5..cc0e1e51ed63 100644
--- a/src/3d/qgsrulebased3drenderer.cpp
+++ b/src/3d/qgsrulebased3drenderer.cpp
@@ -262,12 +262,12 @@ void QgsRuleBased3DRenderer::Rule::createHandlers( QgsVectorLayer *layer, QgsRul
 }
 
 
-void QgsRuleBased3DRenderer::Rule::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, QgsRuleBased3DRenderer::RuleToHandlerMap &handlers ) const
+void QgsRuleBased3DRenderer::Rule::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin,  QgsRuleBased3DRenderer::RuleToHandlerMap &handlers ) const
 {
   if ( mSymbol )
   {
     QgsFeature3DHandler *handler = handlers[this];
-    if ( !handler->prepare( context, attributeNames ) )
+    if ( !handler->prepare( context, attributeNames, chunkOrigin ) )
     {
       handlers.remove( this );
       delete handler;
@@ -283,7 +283,7 @@ void QgsRuleBased3DRenderer::Rule::prepare( const Qgs3DRenderContext &context, Q
   // call recursively
   for ( Rule *rule : std::as_const( mChildren ) )
   {
-    rule->prepare( context, attributeNames, handlers );
+    rule->prepare( context, attributeNames, chunkOrigin, handlers );
   }
 }
 
diff --git a/src/3d/qgsrulebased3drenderer.h b/src/3d/qgsrulebased3drenderer.h
index f1dbc32880ac..a6855f307b6f 100644
--- a/src/3d/qgsrulebased3drenderer.h
+++ b/src/3d/qgsrulebased3drenderer.h
@@ -242,7 +242,7 @@ class _3D_EXPORT QgsRuleBased3DRenderer : public QgsAbstractVectorLayer3DRendere
          * call prepare() on handlers and populate attributeNames
          * \note not available in Python bindings
          */
-        void prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, RuleToHandlerMap &handlers ) const SIP_SKIP;
+        void prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin, RuleToHandlerMap &handlers ) const SIP_SKIP;
 
         /**
          * register individual features
diff --git a/src/3d/qgsrulebasedchunkloader_p.cpp b/src/3d/qgsrulebasedchunkloader_p.cpp
index 0fc3985e435b..60d8ce848b33 100644
--- a/src/3d/qgsrulebasedchunkloader_p.cpp
+++ b/src/3d/qgsrulebasedchunkloader_p.cpp
@@ -50,6 +50,12 @@ QgsRuleBasedChunkLoader::QgsRuleBasedChunkLoader( const QgsRuleBasedChunkLoaderF
 
   QgsVectorLayer *layer = mFactory->mLayer;
 
+  // only a subset of data to be queried
+  const QgsRectangle rect = Qgs3DUtils::worldToMapExtent( node->bbox(), mContext.origin() );
+  // origin for coordinates of the chunk - it is kind of arbitrary, but it should be
+  // picked so that the coordinates are relatively small to avoid numerical precision issues
+  QgsVector3D chunkOrigin( rect.center().x(), rect.center().y(), 0 );
+
   QgsExpressionContext exprContext( Qgs3DUtils::globalProjectLayerExpressionContext( layer ) );
   exprContext.setFields( layer->fields() );
   mContext.setExpressionContext( exprContext );
@@ -63,15 +69,12 @@ QgsRuleBasedChunkLoader::QgsRuleBasedChunkLoader( const QgsRuleBasedChunkLoaderF
   mRootRule->createHandlers( layer, mHandlers );
 
   QSet<QString> attributeNames;
-  mRootRule->prepare( mContext, attributeNames, mHandlers );
+  mRootRule->prepare( mContext, attributeNames, chunkOrigin, mHandlers );
 
   // build the feature request
   QgsFeatureRequest req;
   req.setDestinationCrs( mContext.crs(), mContext.transformContext() );
   req.setSubsetOfAttributes( attributeNames, layer->fields() );
-
-  // only a subset of data to be queried
-  const QgsRectangle rect = Qgs3DUtils::worldToMapExtent( node->bbox(), mContext.origin() );
   req.setFilterRect( rect );
 
   //
diff --git a/src/3d/qgstessellatedpolygongeometry.cpp b/src/3d/qgstessellatedpolygongeometry.cpp
index 010a66e01a51..a233476aa042 100644
--- a/src/3d/qgstessellatedpolygongeometry.cpp
+++ b/src/3d/qgstessellatedpolygongeometry.cpp
@@ -82,42 +82,6 @@ QgsTessellatedPolygonGeometry::QgsTessellatedPolygonGeometry( bool _withNormals,
   }
 }
 
-void QgsTessellatedPolygonGeometry::setPolygons( const QList<QgsPolygon *> &polygons, const QList<QgsFeatureId> &featureIds, const QgsPointXY &origin, float extrusionHeight, const QList<float> &extrusionHeightPerPolygon )
-{
-  Q_ASSERT( polygons.count() == featureIds.count() );
-  mTriangleIndexStartingIndices.reserve( polygons.count() );
-  mTriangleIndexFids.reserve( polygons.count() );
-
-  QgsTessellator tessellator( origin.x(), origin.y(), mWithNormals, mInvertNormals, mAddBackFaces, false, mAddTextureCoords );
-  for ( int i = 0; i < polygons.count(); ++i )
-  {
-    Q_ASSERT( tessellator.dataVerticesCount() % 3 == 0 );
-    const uint startingTriangleIndex = static_cast<uint>( tessellator.dataVerticesCount() / 3 );
-    mTriangleIndexStartingIndices.append( startingTriangleIndex );
-    mTriangleIndexFids.append( featureIds[i] );
-
-    QgsPolygon *polygon = polygons.at( i );
-    const float extr = extrusionHeightPerPolygon.isEmpty() ? extrusionHeight : extrusionHeightPerPolygon.at( i );
-    tessellator.addPolygon( *polygon, extr );
-  }
-  if ( !tessellator.error().isEmpty() )
-  {
-    QgsMessageLog::logMessage( tessellator.error(), QObject::tr( "3D" ) );
-  }
-
-  qDeleteAll( polygons );
-
-  const QByteArray data( ( const char * )tessellator.data().constData(), tessellator.data().count() * sizeof( float ) );
-  const int nVerts = data.count() / tessellator.stride();
-
-  mVertexBuffer->setData( data );
-  mPositionAttribute->setCount( nVerts );
-  if ( mNormalAttribute )
-    mNormalAttribute->setCount( nVerts );
-  if ( mAddTextureCoords )
-    mTextureCoordsAttribute->setCount( nVerts );
-}
-
 void QgsTessellatedPolygonGeometry::setData( const QByteArray &vertexBufferData, int vertexCount, const QVector<QgsFeatureId> &triangleIndexFids, const QVector<uint> &triangleIndexStartingIndices )
 {
   mTriangleIndexStartingIndices = triangleIndexStartingIndices;
diff --git a/src/3d/qgstessellatedpolygongeometry.h b/src/3d/qgstessellatedpolygongeometry.h
index b2d8fa2007e2..20cb2cc9a7ad 100644
--- a/src/3d/qgstessellatedpolygongeometry.h
+++ b/src/3d/qgstessellatedpolygongeometry.h
@@ -91,9 +91,6 @@ class QgsTessellatedPolygonGeometry : public Qt3DCore::QGeometry
      */
     void setAddTextureCoords( bool add ) { mAddTextureCoords = add; }
 
-    //! Initializes vertex buffer from given polygons. Takes ownership of passed polygon geometries
-    void setPolygons( const QList<QgsPolygon *> &polygons, const QList<QgsFeatureId> &featureIds, const QgsPointXY &origin, float extrusionHeight, const QList<float> &extrusionHeightPerPolygon = QList<float>() );
-
     /**
      * Initializes vertex buffer (and other members) from data that were already tessellated.
      * This is an alternative to setPolygons() - this method does not do any expensive work in the body.
diff --git a/src/3d/qgsvectorlayerchunkloader_p.cpp b/src/3d/qgsvectorlayerchunkloader_p.cpp
index 525fafd3bcaa..2de914cbc933 100644
--- a/src/3d/qgsvectorlayerchunkloader_p.cpp
+++ b/src/3d/qgsvectorlayerchunkloader_p.cpp
@@ -59,12 +59,18 @@ QgsVectorLayerChunkLoader::QgsVectorLayerChunkLoader( const QgsVectorLayerChunkL
   }
   mHandler.reset( handler );
 
+  // only a subset of data to be queried
+  const QgsRectangle rect = Qgs3DUtils::worldToMapExtent( node->bbox(), mRenderContext.origin() );
+  // origin for coordinates of the chunk - it is kind of arbitrary, but it should be
+  // picked so that the coordinates are relatively small to avoid numerical precision issues
+  QgsVector3D chunkOrigin( rect.center().x(), rect.center().y(), 0 );
+
   QgsExpressionContext exprContext( Qgs3DUtils::globalProjectLayerExpressionContext( layer ) );
   exprContext.setFields( layer->fields() );
   mRenderContext.setExpressionContext( exprContext );
 
   QSet<QString> attributeNames;
-  if ( !mHandler->prepare( mRenderContext, attributeNames ) )
+  if ( !mHandler->prepare( mRenderContext, attributeNames, chunkOrigin ) )
   {
     QgsDebugError( QStringLiteral( "Failed to prepare 3D feature handler!" ) );
     return;
@@ -76,9 +82,6 @@ QgsVectorLayerChunkLoader::QgsVectorLayerChunkLoader( const QgsVectorLayerChunkL
     QgsCoordinateTransform( layer->crs3D(), mRenderContext.crs(), mRenderContext.transformContext() )
   );
   req.setSubsetOfAttributes( attributeNames, layer->fields() );
-
-  // only a subset of data to be queried
-  const QgsRectangle rect = Qgs3DUtils::worldToMapExtent( node->bbox(), mRenderContext.origin() );
   req.setFilterRect( rect );
 
   //
diff --git a/src/3d/shaders/instanced.vert b/src/3d/shaders/instanced.vert
index dc7994c30990..f0f5dfed8616 100644
--- a/src/3d/shaders/instanced.vert
+++ b/src/3d/shaders/instanced.vert
@@ -7,9 +7,9 @@ in vec3 pos;
 out vec3 worldPosition;
 out vec3 worldNormal;
 
-uniform mat4 modelView;
-uniform mat3 modelViewNormal;
-uniform mat4 modelViewProjection;
+uniform mat4 modelMatrix;
+uniform mat3 modelNormalMatrix;
+uniform mat4 mvp;
 
 uniform mat4 inst;  // transform of individual object instance
 uniform mat4 instNormal;  // should be mat3 but Qt3D only supports mat4...
@@ -20,15 +20,26 @@ uniform mat4 instNormal;  // should be mat3 but Qt3D only supports mat4...
 
 void main()
 {
-    // TODO: i think this is not entirely correct: the translation by "pos" works
-    // like this only because we assume that "inst" matrix only does translation/scale/rotation
-    // which all keep "w" set to 1. correctly we should use translation matrix...
-    vec4 offsetPos = inst * vec4(vertexPosition, 1.0) + vec4(pos, 0.0);
+    // vertexPosition uses XZ plane as the base plane, with Y going upwards
+    // and the coordinates are local to the object
 
-    worldNormal = normalize(mat3(instNormal) * vertexNormal);
-    worldPosition = vec3(offsetPos);
+    // first let's apply user defined transform for each object (translation, rotation, scaling)
+    vec3 vertexPositionObject = vec3(inst * vec4(vertexPosition, 1.0));
+    vec3 vertexNormalObject = mat3(instNormal) * vertexNormal;
 
-    gl_Position = modelViewProjection * offsetPos;
+    // next let's flip axes, so we have XY plane as the base plane (like in map coordinates)
+    vertexPositionObject = vec3(vertexPositionObject.x, -vertexPositionObject.z, vertexPositionObject.y);
+    vertexNormalObject = vec3(vertexNormalObject.x, -vertexNormalObject.z, vertexNormalObject.y);
+
+    // add offset of the object relative to the chunk's origin
+    vec3 vertexPositionChunk = vertexPositionObject + pos;
+
+    // Transform position and normal to world space
+    worldPosition = vec3(modelMatrix * vec4(vertexPositionChunk, 1.0));
+    worldNormal = normalize(modelNormalMatrix * vertexNormalObject);
+
+    // Calculate vertex position in clip coordinates
+    gl_Position = mvp * vec4(vertexPositionChunk, 1.0);
 
 #ifdef CLIPPING
     setClipDistance(worldPosition);
diff --git a/src/3d/symbols/qgsline3dsymbol_p.cpp b/src/3d/symbols/qgsline3dsymbol_p.cpp
index 5a585d044d2b..26eecd4487ea 100644
--- a/src/3d/symbols/qgsline3dsymbol_p.cpp
+++ b/src/3d/symbols/qgsline3dsymbol_p.cpp
@@ -33,6 +33,7 @@
 #include "qgsphongtexturedmaterialsettings.h"
 #include "qgsmessagelog.h"
 
+#include <Qt3DCore/QTransform>
 #include <Qt3DExtras/QPhongMaterial>
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include <Qt3DRender/QAttribute>
@@ -63,7 +64,7 @@ class QgsBufferedLine3DSymbolHandler : public QgsFeature3DHandler
       : mSymbol( static_cast< QgsLine3DSymbol *>( symbol->clone() ) )
       , mSelectedIds( selectedIds ) {}
 
-    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames ) override;
+    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin ) override;
     void processFeature( const QgsFeature &feature, const Qgs3DRenderContext &context ) override;
     void finalize( Qt3DCore::QEntity *parent, const Qgs3DRenderContext &context ) override;
 
@@ -86,6 +87,9 @@ class QgsBufferedLine3DSymbolHandler : public QgsFeature3DHandler
     // inputs - generic
     QgsFeatureIds mSelectedIds;
 
+    //! origin (in the map coordinates) for output geometries (e.g. at the center of the chunk)
+    QgsVector3D mChunkOrigin;
+
     // outputs
     LineData outNormal;  //!< Features that are not selected
     LineData outSelected;  //!< Features that are selected
@@ -93,17 +97,19 @@ class QgsBufferedLine3DSymbolHandler : public QgsFeature3DHandler
 
 
 
-bool QgsBufferedLine3DSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames )
+bool QgsBufferedLine3DSymbolHandler::prepare( const Qgs3DRenderContext &, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin )
 {
   Q_UNUSED( attributeNames )
 
+  mChunkOrigin = chunkOrigin;
+
   const QgsPhongTexturedMaterialSettings *texturedMaterialSettings = dynamic_cast< const QgsPhongTexturedMaterialSettings * >( mSymbol->materialSettings() );
 
-  outNormal.tessellator.reset( new QgsTessellator( context.origin().x(), context.origin().y(), true,
+  outNormal.tessellator.reset( new QgsTessellator( chunkOrigin.x(), chunkOrigin.y(), true,
                                false, false, false, texturedMaterialSettings ? texturedMaterialSettings->requiresTextureCoordinates() : false,
                                3,
                                texturedMaterialSettings ? texturedMaterialSettings->textureRotation() : 0 ) );
-  outSelected.tessellator.reset( new QgsTessellator( context.origin().x(), context.origin().y(), true,
+  outSelected.tessellator.reset( new QgsTessellator( chunkOrigin.x(), chunkOrigin.y(), true,
                                  false, false, false, texturedMaterialSettings ? texturedMaterialSettings->requiresTextureCoordinates() : false,
                                  3,
                                  texturedMaterialSettings ? texturedMaterialSettings->textureRotation() : 0 ) );
@@ -217,10 +223,16 @@ void QgsBufferedLine3DSymbolHandler::makeEntity( Qt3DCore::QEntity *parent, cons
   Qt3DRender::QGeometryRenderer *renderer = new Qt3DRender::QGeometryRenderer;
   renderer->setGeometry( geometry );
 
+  // add transform (our geometry has coordinates relative to mChunkOrigin)
+  Qt3DCore::QTransform *tr = new Qt3DCore::QTransform;
+  QVector3D nodeTranslation = ( mChunkOrigin - context.origin() ).toVector3D();
+  tr->setTranslation( QVector3D( nodeTranslation.x(), nodeTranslation.z(), -nodeTranslation.y() ) );
+
   // make entity
   Qt3DCore::QEntity *entity = new Qt3DCore::QEntity;
   entity->addComponent( renderer );
   entity->addComponent( mat );
+  entity->addComponent( tr );
   entity->setParent( parent );
 
   if ( !selected )
@@ -243,7 +255,7 @@ class QgsThickLine3DSymbolHandler : public QgsFeature3DHandler
     {
     }
 
-    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames ) override;
+    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin ) override;
     void processFeature( const QgsFeature &feature, const Qgs3DRenderContext &context ) override;
     void finalize( Qt3DCore::QEntity *parent, const Qgs3DRenderContext &context ) override;
 
@@ -259,6 +271,9 @@ class QgsThickLine3DSymbolHandler : public QgsFeature3DHandler
     // inputs - generic
     QgsFeatureIds mSelectedIds;
 
+    //! origin (in the map coordinates) for output geometries (e.g. at the center of the chunk)
+    QgsVector3D mChunkOrigin;
+
     // outputs
     QgsLineVertexData outNormal;  //!< Features that are not selected
     QgsLineVertexData outSelected;  //!< Features that are selected
@@ -266,14 +281,16 @@ class QgsThickLine3DSymbolHandler : public QgsFeature3DHandler
 
 
 
-bool QgsThickLine3DSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames )
+bool QgsThickLine3DSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin )
 {
   Q_UNUSED( attributeNames )
 
+  mChunkOrigin = chunkOrigin;
+
   outNormal.withAdjacency = true;
   outSelected.withAdjacency = true;
-  outNormal.init( mSymbol->altitudeClamping(), mSymbol->altitudeBinding(), mSymbol->offset(), context );
-  outSelected.init( mSymbol->altitudeClamping(), mSymbol->altitudeBinding(), mSymbol->offset(), context );
+  outNormal.init( mSymbol->altitudeClamping(), mSymbol->altitudeBinding(), mSymbol->offset(), context, chunkOrigin );
+  outSelected.init( mSymbol->altitudeClamping(), mSymbol->altitudeBinding(), mSymbol->offset(), context, chunkOrigin );
 
   QSet<QString> attrs = mSymbol->dataDefinedProperties().referencedFields( context.expressionContext() );
   attributeNames.unite( attrs );
@@ -374,9 +391,16 @@ void QgsThickLine3DSymbolHandler::makeEntity( Qt3DCore::QEntity *parent, const Q
   renderer->setPrimitiveRestartEnabled( true );
   renderer->setRestartIndexValue( 0 );
 
+  // add transform (our geometry has coordinates relative to mChunkOrigin)
+  Qt3DCore::QTransform *tr = new Qt3DCore::QTransform;
+  tr->setRotation( QQuaternion::fromAxisAndAngle( QVector3D( 1, 0, 0 ), -90 ) ); // flip map (x,y,z) to world (x,z,-y)
+  QVector3D nodeTranslation = ( mChunkOrigin - context.origin() ).toVector3D();
+  tr->setTranslation( QVector3D( nodeTranslation.x(), nodeTranslation.z(), -nodeTranslation.y() ) );
+
   // make entity
   entity->addComponent( renderer );
   entity->addComponent( mat );
+  entity->addComponent( tr );
   entity->setParent( parent );
 }
 
diff --git a/src/3d/symbols/qgslinevertexdata_p.cpp b/src/3d/symbols/qgslinevertexdata_p.cpp
index 2d51a95b9b65..ddf3daa18a5d 100644
--- a/src/3d/symbols/qgslinevertexdata_p.cpp
+++ b/src/3d/symbols/qgslinevertexdata_p.cpp
@@ -46,12 +46,13 @@ QgsLineVertexData::QgsLineVertexData()
   vertices << QVector3D();
 }
 
-void QgsLineVertexData::init( Qgis::AltitudeClamping clamping, Qgis::AltitudeBinding binding, float height, const Qgs3DRenderContext &context )
+void QgsLineVertexData::init( Qgis::AltitudeClamping clamping, Qgis::AltitudeBinding binding, float height, const Qgs3DRenderContext &context, const QgsVector3D &chunkOrigin )
 {
   altClamping = clamping;
   altBinding = binding;
   baseHeight = height;
   renderContext = context;
+  origin = chunkOrigin;
 }
 
 QByteArray QgsLineVertexData::createVertexBuffer()
@@ -135,9 +136,9 @@ void QgsLineVertexData::addLineString( const QgsLineString &lineString, float ex
     QgsPoint p = lineString.pointN( i );
     float z = Qgs3DUtils::clampAltitude( p, altClamping, altBinding, baseHeight + extraHeightOffset, centroid, renderContext );
 
-    vertices << QVector3D( static_cast< float >( p.x() - renderContext.origin().x() ),
-                           z,
-                           static_cast< float >( -( p.y() - renderContext.origin().y() ) ) );
+    vertices << QVector3D( static_cast< float >( p.x() - origin.x() ),
+                           static_cast< float >( p.y() - origin.y() ),
+                           z );
     indexes << vertices.count() - 1;
   }
 
@@ -168,13 +169,13 @@ void QgsLineVertexData::addVerticalLines( const QgsLineString &lineString, float
     if ( withAdjacency )
       indexes << vertices.count();  // add the following vertex (for adjacency)
 
-    vertices << QVector3D( static_cast< float >( p.x() - renderContext.origin().x() ),
-                           z,
-                           static_cast< float >( -( p.y() - renderContext.origin().y() ) ) );
+    vertices << QVector3D( static_cast< float >( p.x() - origin.x() ),
+                           static_cast< float >( p.y() - origin.y() ),
+                           z );
     indexes << vertices.count() - 1;
-    vertices << QVector3D( static_cast< float >( p.x() - renderContext.origin().x() ),
-                           z2,
-                           static_cast< float >( -( p.y() - renderContext.origin().y() ) ) );
+    vertices << QVector3D( static_cast< float >( p.x() - origin.x() ),
+                           static_cast< float >( p.y() - origin.y() ),
+                           z2 );
     indexes << vertices.count() - 1;
 
     if ( withAdjacency )
diff --git a/src/3d/symbols/qgslinevertexdata_p.h b/src/3d/symbols/qgslinevertexdata_p.h
index f91b2e73028d..8710ceb2cc3b 100644
--- a/src/3d/symbols/qgslinevertexdata_p.h
+++ b/src/3d/symbols/qgslinevertexdata_p.h
@@ -80,11 +80,12 @@ struct QgsLineVertexData
   Qgis::AltitudeClamping altClamping = Qgis::AltitudeClamping::Relative;
   Qgis::AltitudeBinding altBinding = Qgis::AltitudeBinding::Vertex;
   float baseHeight = 0;
-  Qgs3DRenderContext renderContext;
+  Qgs3DRenderContext renderContext;  // used for altitude clamping
+  QgsVector3D origin;                // all coordinates are relative to this origin (e.g. center of the chunk)
 
   QgsLineVertexData();
 
-  void init( Qgis::AltitudeClamping clamping, Qgis::AltitudeBinding binding, float height, const Qgs3DRenderContext &renderContext );
+  void init( Qgis::AltitudeClamping clamping, Qgis::AltitudeBinding binding, float height, const Qgs3DRenderContext &renderContext, const QgsVector3D &chunkOrigin );
 
   QByteArray createVertexBuffer();
   QByteArray createIndexBuffer();
diff --git a/src/3d/symbols/qgspoint3dsymbol.cpp b/src/3d/symbols/qgspoint3dsymbol.cpp
index f4e60b269520..3d7bb44f6a57 100644
--- a/src/3d/symbols/qgspoint3dsymbol.cpp
+++ b/src/3d/symbols/qgspoint3dsymbol.cpp
@@ -272,12 +272,9 @@ QVariant QgsPoint3DSymbol::shapeProperty( const QString &property ) const
   return mShapeProperties.value( property );
 }
 
-QMatrix4x4 QgsPoint3DSymbol::billboardTransform() const
+float QgsPoint3DSymbol::billboardHeight() const
 {
-  QMatrix4x4 billboardTransformMatrix;
-  billboardTransformMatrix.translate( QVector3D( 0, mTransform.data()[13], 0 ) );
-
-  return billboardTransformMatrix;
+  return mTransform.data()[13];
 }
 
 QgsAbstractMaterialSettings *QgsPoint3DSymbol::materialSettings() const
diff --git a/src/3d/symbols/qgspoint3dsymbol.h b/src/3d/symbols/qgspoint3dsymbol.h
index e4c6e5384e41..f002764f7e7d 100644
--- a/src/3d/symbols/qgspoint3dsymbol.h
+++ b/src/3d/symbols/qgspoint3dsymbol.h
@@ -164,8 +164,8 @@ class _3D_EXPORT QgsPoint3DSymbol : public QgsAbstract3DSymbol SIP_NODEFAULTCTOR
     //! Sets transform for individual objects represented by the symbol
     void setTransform( const QMatrix4x4 &transform ) { mTransform = transform; }
 
-    //! Returns transform for billboards
-    QMatrix4x4 billboardTransform() const;
+    //! Returns how much the billboard should be elevated upwards
+    float billboardHeight() const;
 
     /**
      * Exports the geometries contained within the hierarchy of entity.
diff --git a/src/3d/symbols/qgspoint3dsymbol_p.cpp b/src/3d/symbols/qgspoint3dsymbol_p.cpp
index 92124999656a..56ded96a7da3 100644
--- a/src/3d/symbols/qgspoint3dsymbol_p.cpp
+++ b/src/3d/symbols/qgspoint3dsymbol_p.cpp
@@ -77,7 +77,7 @@ class QgsInstancedPoint3DSymbolHandler : public QgsFeature3DHandler
       : mSymbol( static_cast< QgsPoint3DSymbol *>( symbol->clone() ) )
       , mSelectedIds( selectedIds ) {}
 
-    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames ) override;
+    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin ) override;
     void processFeature( const QgsFeature &feature, const Qgs3DRenderContext &context ) override;
     void finalize( Qt3DCore::QEntity *parent, const Qgs3DRenderContext &context ) override;
 
@@ -100,16 +100,22 @@ class QgsInstancedPoint3DSymbolHandler : public QgsFeature3DHandler
     // inputs - generic
     QgsFeatureIds mSelectedIds;
 
+    //! origin (in the map coordinates) for output geometries (e.g. at the center of the chunk)
+    QgsVector3D mChunkOrigin;
+
     // outputs
     PointData outNormal;  //!< Features that are not selected
     PointData outSelected;  //!< Features that are selected
 };
 
 
-bool QgsInstancedPoint3DSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames )
+bool QgsInstancedPoint3DSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin )
 {
   Q_UNUSED( context )
   Q_UNUSED( attributeNames )
+
+  mChunkOrigin = chunkOrigin;
+
   return true;
 }
 
@@ -120,7 +126,7 @@ void QgsInstancedPoint3DSymbolHandler::processFeature( const QgsFeature &feature
   if ( feature.geometry().isNull() )
     return;
 
-  Qgs3DUtils::extractPointPositions( feature, context, mSymbol->altitudeClamping(), out.positions );
+  Qgs3DUtils::extractPointPositions( feature, context, mChunkOrigin, mSymbol->altitudeClamping(), out.positions );
   mFeatureCount++;
 }
 
@@ -207,10 +213,17 @@ void QgsInstancedPoint3DSymbolHandler::makeEntity( Qt3DCore::QEntity *parent, co
   materialContext.setSelectionColor( context.selectionColor() );
   QgsMaterial *mat = material( mSymbol.get(), materialContext );
 
+  // add transform (our geometry has coordinates relative to mChunkOrigin)
+  Qt3DCore::QTransform *tr = new Qt3DCore::QTransform;
+  tr->setRotation( QQuaternion::fromAxisAndAngle( QVector3D( 1, 0, 0 ), -90 ) ); // flip map (x,y,z) to world (x,z,-y)
+  QVector3D nodeTranslation = ( mChunkOrigin - context.origin() ).toVector3D();
+  tr->setTranslation( QVector3D( nodeTranslation.x(), nodeTranslation.z(), -nodeTranslation.y() ) );
+
   // build the entity
   Qt3DCore::QEntity *entity = new Qt3DCore::QEntity;
   entity->addComponent( renderer( mSymbol.get(), out.positions ) );
   entity->addComponent( mat );
+  entity->addComponent( tr );
   entity->setParent( parent );
 
 // cppcheck wrongly believes entity will leak
@@ -401,15 +414,15 @@ class QgsModelPoint3DSymbolHandler : public QgsFeature3DHandler
       : mSymbol( static_cast< QgsPoint3DSymbol * >( symbol->clone() ) )
       , mSelectedIds( selectedIds ) {}
 
-    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames ) override;
+    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin ) override;
     void processFeature( const QgsFeature &feature, const Qgs3DRenderContext &context ) override;
     void finalize( Qt3DCore::QEntity *parent, const Qgs3DRenderContext &context ) override;
 
   private:
 
-    static void addSceneEntities( const Qgs3DRenderContext &context, const QVector<QVector3D> &positions, const QgsPoint3DSymbol *symbol, Qt3DCore::QEntity *parent );
-    static void addMeshEntities( const Qgs3DRenderContext &context, const QVector<QVector3D> &positions, const QgsPoint3DSymbol *symbol, Qt3DCore::QEntity *parent, bool are_selected );
-    static Qt3DCore::QTransform *transform( QVector3D position, const QgsPoint3DSymbol *symbol );
+    static void addSceneEntities( const Qgs3DRenderContext &context, const QVector<QVector3D> &positions, const QgsVector3D &chunkOrigin, const QgsPoint3DSymbol *symbol, Qt3DCore::QEntity *parent );
+    static void addMeshEntities( const Qgs3DRenderContext &context, const QVector<QVector3D> &positions, const QgsVector3D &chunkOrigin, const QgsPoint3DSymbol *symbol, Qt3DCore::QEntity *parent, bool are_selected );
+    static Qt3DCore::QTransform *transform( QVector3D position, const QgsPoint3DSymbol *symbol, const QgsVector3D &chunkOrigin, const QgsVector3D &contextOrigin );
 
     //! temporary data we will pass to the tessellator
     struct PointData
@@ -424,15 +437,21 @@ class QgsModelPoint3DSymbolHandler : public QgsFeature3DHandler
     // inputs - generic
     QgsFeatureIds mSelectedIds;
 
+    //! origin (in the map coordinates) for output geometries (e.g. at the center of the chunk)
+    QgsVector3D mChunkOrigin;
+
     // outputs
     PointData outNormal;  //!< Features that are not selected
     PointData outSelected;  //!< Features that are selected
 };
 
-bool QgsModelPoint3DSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames )
+bool QgsModelPoint3DSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin )
 {
   Q_UNUSED( context )
   Q_UNUSED( attributeNames )
+
+  mChunkOrigin = chunkOrigin;
+
   return true;
 }
 
@@ -443,7 +462,7 @@ void QgsModelPoint3DSymbolHandler::processFeature( const QgsFeature &feature, co
   if ( feature.geometry().isNull() )
     return;
 
-  Qgs3DUtils::extractPointPositions( feature, context, mSymbol->altitudeClamping(), out.positions );
+  Qgs3DUtils::extractPointPositions( feature, context, mChunkOrigin, mSymbol->altitudeClamping(), out.positions );
   mFeatureCount++;
 }
 
@@ -465,7 +484,7 @@ void QgsModelPoint3DSymbolHandler::makeEntity( Qt3DCore::QEntity *parent, const
 {
   if ( selected )
   {
-    addMeshEntities( context, out.positions, mSymbol.get(), parent, true );
+    addMeshEntities( context, out.positions, mChunkOrigin, mSymbol.get(), parent, true );
   }
   else
   {
@@ -473,18 +492,18 @@ void QgsModelPoint3DSymbolHandler::makeEntity( Qt3DCore::QEntity *parent, const
     if ( mSymbol->shapeProperty( QStringLiteral( "overwriteMaterial" ) ).toBool()
          || ( mSymbol->materialSettings() && mSymbol->materialSettings()->type() != QLatin1String( "null" ) ) )
     {
-      addMeshEntities( context, out.positions, mSymbol.get(), parent, false );
+      addMeshEntities( context, out.positions, mChunkOrigin, mSymbol.get(), parent, false );
     }
     else
     {
-      addSceneEntities( context, out.positions, mSymbol.get(), parent );
+      addSceneEntities( context, out.positions, mChunkOrigin, mSymbol.get(), parent );
     }
   }
 }
 
 
 
-void QgsModelPoint3DSymbolHandler::addSceneEntities( const Qgs3DRenderContext &, const QVector<QVector3D> &positions, const QgsPoint3DSymbol *symbol, Qt3DCore::QEntity *parent )
+void QgsModelPoint3DSymbolHandler::addSceneEntities( const Qgs3DRenderContext &context, const QVector<QVector3D> &positions, const QgsVector3D &chunkOrigin, const QgsPoint3DSymbol *symbol, Qt3DCore::QEntity *parent )
 {
   for ( const QVector3D &position : positions )
   {
@@ -500,7 +519,7 @@ void QgsModelPoint3DSymbolHandler::addSceneEntities( const Qgs3DRenderContext &,
       modelLoader->setSource( url );
 
       entity->addComponent( modelLoader );
-      entity->addComponent( transform( position, symbol ) );
+      entity->addComponent( transform( position, symbol, chunkOrigin, context.origin() ) );
       entity->setParent( parent );
 
 // cppcheck wrongly believes entity will leak
@@ -509,7 +528,7 @@ void QgsModelPoint3DSymbolHandler::addSceneEntities( const Qgs3DRenderContext &,
   }
 }
 
-void QgsModelPoint3DSymbolHandler::addMeshEntities( const Qgs3DRenderContext &context, const QVector<QVector3D> &positions, const QgsPoint3DSymbol *symbol, Qt3DCore::QEntity *parent, bool are_selected )
+void QgsModelPoint3DSymbolHandler::addMeshEntities( const Qgs3DRenderContext &context, const QVector<QVector3D> &positions, const QgsVector3D &chunkOrigin, const QgsPoint3DSymbol *symbol, Qt3DCore::QEntity *parent, bool are_selected )
 {
   if ( positions.empty() )
     return;
@@ -535,7 +554,7 @@ void QgsModelPoint3DSymbolHandler::addMeshEntities( const Qgs3DRenderContext &co
 
       entity->addComponent( mesh );
       entity->addComponent( mat );
-      entity->addComponent( transform( position, symbol ) );
+      entity->addComponent( transform( position, symbol, chunkOrigin, context.origin() ) );
       entity->setParent( parent );
 
 // cppcheck wrongly believes entity will leak
@@ -544,11 +563,15 @@ void QgsModelPoint3DSymbolHandler::addMeshEntities( const Qgs3DRenderContext &co
   }
 }
 
-Qt3DCore::QTransform *QgsModelPoint3DSymbolHandler::transform( QVector3D position, const QgsPoint3DSymbol *symbol )
+Qt3DCore::QTransform *QgsModelPoint3DSymbolHandler::transform( QVector3D position, const QgsPoint3DSymbol *symbol, const QgsVector3D &chunkOrigin, const QgsVector3D &contextOrigin )
 {
   Qt3DCore::QTransform *tr = new Qt3DCore::QTransform;
   tr->setMatrix( symbol->transform() );
-  tr->setTranslation( position + tr->translation() );
+  // position is relative to chunkOrigin
+  QVector3D nodeTranslation = ( chunkOrigin - contextOrigin ).toVector3D();
+  tr->setTranslation( tr->translation() +
+                      QVector3D( position.x(), position.z(), -position.y() ) +
+                      QVector3D( nodeTranslation.x(), nodeTranslation.z(), -nodeTranslation.y() ) );
   return tr;
 }
 
@@ -563,7 +586,7 @@ class QgsPoint3DBillboardSymbolHandler : public QgsFeature3DHandler
       : mSymbol( static_cast< QgsPoint3DSymbol * >( symbol->clone() ) )
       , mSelectedIds( selectedIds ) {}
 
-    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames ) override;
+    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin ) override;
     void processFeature( const QgsFeature &feature, const Qgs3DRenderContext &context ) override;
     void finalize( Qt3DCore::QEntity *parent, const Qgs3DRenderContext &context ) override;
 
@@ -582,15 +605,21 @@ class QgsPoint3DBillboardSymbolHandler : public QgsFeature3DHandler
     // inputs - generic
     QgsFeatureIds mSelectedIds;
 
+    //! origin (in the map coordinates) for output geometries (e.g. at the center of the chunk)
+    QgsVector3D mChunkOrigin;
+
     // outputs
     PointData outNormal;  //!< Features that are not selected
     PointData outSelected;  //!< Features that are selected
 };
 
-bool QgsPoint3DBillboardSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames )
+bool QgsPoint3DBillboardSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin )
 {
   Q_UNUSED( context )
   Q_UNUSED( attributeNames )
+
+  mChunkOrigin = chunkOrigin;
+
   return true;
 }
 
@@ -601,7 +630,7 @@ void QgsPoint3DBillboardSymbolHandler::processFeature( const QgsFeature &feature
   if ( feature.geometry().isNull() )
     return;
 
-  Qgs3DUtils::extractPointPositions( feature, context, mSymbol->altitudeClamping(), out.positions );
+  Qgs3DUtils::extractPointPositions( feature, context, mChunkOrigin, mSymbol->altitudeClamping(), out.positions );
   mFeatureCount++;
 }
 
@@ -646,7 +675,11 @@ void QgsPoint3DBillboardSymbolHandler::makeEntity( Qt3DCore::QEntity *parent, co
 
   // Billboard Transform
   Qt3DCore::QTransform *billboardTransform = new Qt3DCore::QTransform();
-  billboardTransform->setMatrix( mSymbol->billboardTransform() );
+  billboardTransform->setRotation( QQuaternion::fromAxisAndAngle( QVector3D( 1, 0, 0 ), -90 ) ); // flip map (x,y,z) to world (x,z,-y)
+  QVector3D billboardHeightTranslation( 0, mSymbol->billboardHeight(), 0 );
+  // our geometry has coordinates relative to mChunkOrigin
+  QVector3D nodeTranslation = ( mChunkOrigin - context.origin() ).toVector3D();
+  billboardTransform->setTranslation( billboardHeightTranslation + QVector3D( nodeTranslation.x(), nodeTranslation.z(), -nodeTranslation.y() ) );
 
   // Build the entity
   Qt3DCore::QEntity *entity = new Qt3DCore::QEntity;
diff --git a/src/3d/symbols/qgspolygon3dsymbol_p.cpp b/src/3d/symbols/qgspolygon3dsymbol_p.cpp
index 68e7ea2139c1..0ada126d3cad 100644
--- a/src/3d/symbols/qgspolygon3dsymbol_p.cpp
+++ b/src/3d/symbols/qgspolygon3dsymbol_p.cpp
@@ -54,7 +54,7 @@ class QgsPolygon3DSymbolHandler : public QgsFeature3DHandler
       : mSymbol( static_cast< QgsPolygon3DSymbol *>( symbol->clone() ) )
       , mSelectedIds( selectedIds ) {}
 
-    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames ) override;
+    bool prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin ) override;
     void processFeature( const QgsFeature &f, const Qgs3DRenderContext &context ) override;
     void finalize( Qt3DCore::QEntity *parent, const Qgs3DRenderContext &context ) override;
 
@@ -79,6 +79,9 @@ class QgsPolygon3DSymbolHandler : public QgsFeature3DHandler
     // inputs - generic
     QgsFeatureIds mSelectedIds;
 
+    //! origin (in the map coordinates) for output geometries (e.g. at the center of the chunk)
+    QgsVector3D mChunkOrigin;
+
     // outputs
     PolygonData outNormal;  //!< Features that are not selected
     PolygonData outSelected;  //!< Features that are selected
@@ -87,18 +90,20 @@ class QgsPolygon3DSymbolHandler : public QgsFeature3DHandler
 };
 
 
-bool QgsPolygon3DSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames )
+bool QgsPolygon3DSymbolHandler::prepare( const Qgs3DRenderContext &context, QSet<QString> &attributeNames, const QgsVector3D &chunkOrigin )
 {
   outEdges.withAdjacency = true;
-  outEdges.init( mSymbol->altitudeClamping(), mSymbol->altitudeBinding(), 0, context );
+  outEdges.init( mSymbol->altitudeClamping(), mSymbol->altitudeBinding(), 0, context, chunkOrigin );
+
+  mChunkOrigin = chunkOrigin;
 
   const QgsPhongTexturedMaterialSettings *texturedMaterialSettings = dynamic_cast< const QgsPhongTexturedMaterialSettings * >( mSymbol->materialSettings() );
 
-  outNormal.tessellator.reset( new QgsTessellator( context.origin().x(), context.origin().y(), true, mSymbol->invertNormals(), mSymbol->addBackFaces(), false,
+  outNormal.tessellator.reset( new QgsTessellator( chunkOrigin.x(), chunkOrigin.y(), true, mSymbol->invertNormals(), mSymbol->addBackFaces(), false,
                                texturedMaterialSettings && texturedMaterialSettings->requiresTextureCoordinates(),
                                mSymbol->renderedFacade(),
                                texturedMaterialSettings ? texturedMaterialSettings->textureRotation() : 0 ) );
-  outSelected.tessellator.reset( new QgsTessellator( context.origin().x(), context.origin().y(), true, mSymbol->invertNormals(),
+  outSelected.tessellator.reset( new QgsTessellator( chunkOrigin.x(), chunkOrigin.y(), true, mSymbol->invertNormals(),
                                  mSymbol->addBackFaces(), false,
                                  texturedMaterialSettings && texturedMaterialSettings->requiresTextureCoordinates(),
                                  mSymbol->renderedFacade(),
@@ -253,9 +258,16 @@ void QgsPolygon3DSymbolHandler::finalize( Qt3DCore::QEntity *parent, const Qgs3D
     renderer->setPrimitiveRestartEnabled( true );
     renderer->setRestartIndexValue( 0 );
 
+    // add transform (our geometry has coordinates relative to mChunkOrigin)
+    Qt3DCore::QTransform *tr = new Qt3DCore::QTransform;
+    tr->setRotation( QQuaternion::fromAxisAndAngle( QVector3D( 1, 0, 0 ), -90 ) ); // flip map (x,y,z) to world (x,z,-y)
+    QVector3D nodeTranslation = ( mChunkOrigin - context.origin() ).toVector3D();
+    tr->setTranslation( QVector3D( nodeTranslation.x(), nodeTranslation.z(), -nodeTranslation.y() ) );
+
     // make entity
     entity->addComponent( renderer );
     entity->addComponent( mat );
+    entity->addComponent( tr );
     entity->setParent( parent );
   }
 }
@@ -285,11 +297,17 @@ void QgsPolygon3DSymbolHandler::makeEntity( Qt3DCore::QEntity *parent, const Qgs
   Qt3DRender::QGeometryRenderer *renderer = new Qt3DRender::QGeometryRenderer;
   renderer->setGeometry( geometry );
 
+  // add transform (our geometry has coordinates relative to mChunkOrigin)
+  Qt3DCore::QTransform *tr = new Qt3DCore::QTransform;
+  QVector3D nodeTranslation = ( mChunkOrigin - context.origin() ).toVector3D();
+  tr->setTranslation( QVector3D( nodeTranslation.x(), nodeTranslation.z(), -nodeTranslation.y() ) );
+
   // make entity
   Qt3DCore::QEntity *entity = new Qt3DCore::QEntity;
   entity->setObjectName( parent->objectName() + "_CHUNK_MESH" );
   entity->addComponent( renderer );
   entity->addComponent( mat );
+  entity->addComponent( tr );
   entity->setParent( parent );
 
   if ( !selected )
diff --git a/tests/src/3d/testqgs3drendering.cpp b/tests/src/3d/testqgs3drendering.cpp
index 79bd8d8e0717..4998808d3014 100644
--- a/tests/src/3d/testqgs3drendering.cpp
+++ b/tests/src/3d/testqgs3drendering.cpp
@@ -554,6 +554,7 @@ void TestQgs3DRendering::testExtrudedPolygonsTexturedPhong()
   materialSettings.setSpecular( QColor( 10, 10, 10 ) );
   materialSettings.setShininess( 1.0 );
   materialSettings.setDiffuseTexturePath( testDataPath( "/sample_image.png" ) );
+  materialSettings.setTextureScale( 0.05 );
   QgsPolygon3DSymbol *symbol3d = new QgsPolygon3DSymbol;
   symbol3d->setMaterialSettings( materialSettings.clone() );
   symbol3d->setExtrusionHeight( 10.f );
@@ -869,7 +870,7 @@ void TestQgs3DRendering::testExtrudedPolygonsGoochShading()
   delete scene;
   delete map;
 
-  QGSVERIFYIMAGECHECK( "polygon3d_extrusion_gooch_shading", "polygon3d_extrusion_gooch_shading", img, QString(), 40, QSize( 0, 0 ), 2 );
+  QGSVERIFYIMAGECHECK( "polygon3d_extrusion_gooch_shading", "polygon3d_extrusion_gooch_shading", img, QString(), 50, QSize( 0, 0 ), 2 );
 }
 
 void TestQgs3DRendering::testExtrudedPolygonsMetalRoughShading()
diff --git a/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-2.obj b/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-2.obj
index 099ce35f7906..6c872577d83c 100644
--- a/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-2.obj
+++ b/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-2.obj
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diff --git a/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-3.obj b/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-3.obj
index 243232c91ca9..df283ca4cfe2 100644
--- a/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-3.obj
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 vn 0.582 0 -0.813
 v 0.146 -0.0431 0.17
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 v 0.145 -0.0431 0.172
 vn -0.582 0 0.813
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 v 0.0707 -0.0583 0.152
 vn 1 0 -0.0108
 v 0.0707 -0.0529 0.152
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 v 0.0673 -0.0529 0.152
 vn -1 0 -0.0151
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@@ -34570,17 +34570,17 @@ vn 0.999 0 0.0411
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 vn 0.999 0 0.0411
 v 0.0996 -0.0496 0.144
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 v 0.0976 -0.0496 0.144
 vn -0.999 0 -0.0426
 v 0.0977 -0.0496 0.142
@@ -34642,17 +34642,17 @@ vn -0.096 0 -0.995
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 vn -0.096 0 -0.995
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 vn 0.995 0 -0.0948
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 vn 1 0 0.00875
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 vn 0.0151 0 -1
 v 0.282 -0.00872 0.0868
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 v 0.282 -0.00872 0.0879
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 v 0.282 -0.00872 0.0879
 vn 0.0151 0 -1
 v 0.285 -0.00872 0.0879
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 vn 0.628 0 0.778
 v 0.422 0.0436 0.0445
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 v 0.294 0.006 0.039
 vn 0 1 0
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@@ -44804,17 +44804,17 @@ vn 0 1 0
 v 0.276 -0.00872 0.0908
 vn 0 1 0
 v 0.272 -0.00872 0.0923
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 v 0.273 -0.00872 0.0906
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 v 0.272 -0.0142 0.0923
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 v 0.273 -0.00872 0.0906
 vn 0.0461 0 -0.999
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diff --git a/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-4.obj b/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-4.obj
index 29a72ddf4018..cedda100ee9a 100644
--- a/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-4.obj
+++ b/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-4.obj
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 vn 0.474 0 -0.88
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 vn 0.879 0 0.476
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 vn 0.471 0 -0.882
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 vn 0.0296 0 -1
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 vn -0.998 0 -0.0581
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diff --git a/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-5.obj b/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-5.obj
index bf50be615333..088e511c2dd8 100644
--- a/tests/testdata/control_files/3d/expected_big_scene_export/expected_big_scene_export-5.obj
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@@ -31868,53 +31868,53 @@ vn 0.00159 0 -1
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@@ -43613,17 +43613,17 @@ vn 0.999 0 0.0411
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@@ -44551,17 +44551,17 @@ vn -0.951 0 0.31
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diff --git a/tests/testdata/control_images/3d/expected_polygon3d_extrusion_textured_phong/default/expected_polygon3d_extrusion_textured_phong.png b/tests/testdata/control_images/3d/expected_polygon3d_extrusion_textured_phong/default/expected_polygon3d_extrusion_textured_phong.png
index 8fe83dc9a89f..4bad175eb7dc 100644
Binary files a/tests/testdata/control_images/3d/expected_polygon3d_extrusion_textured_phong/default/expected_polygon3d_extrusion_textured_phong.png and b/tests/testdata/control_images/3d/expected_polygon3d_extrusion_textured_phong/default/expected_polygon3d_extrusion_textured_phong.png differ
diff --git a/tests/testdata/control_images/3d/expected_polygon3d_extrusion_textured_phong/qt6/expected_polygon3d_extrusion_textured_phong.png b/tests/testdata/control_images/3d/expected_polygon3d_extrusion_textured_phong/qt6/expected_polygon3d_extrusion_textured_phong.png
old mode 100644
new mode 100755
index a13ddfc72a1f..26db02e4a5d1
Binary files a/tests/testdata/control_images/3d/expected_polygon3d_extrusion_textured_phong/qt6/expected_polygon3d_extrusion_textured_phong.png and b/tests/testdata/control_images/3d/expected_polygon3d_extrusion_textured_phong/qt6/expected_polygon3d_extrusion_textured_phong.png differ