diff --git a/src/ansys/edb/core/geometry/polygon_data.py b/src/ansys/edb/core/geometry/polygon_data.py
index fd794dd46b..fb0092b89f 100644
--- a/src/ansys/edb/core/geometry/polygon_data.py
+++ b/src/ansys/edb/core/geometry/polygon_data.py
@@ -109,7 +109,7 @@ def arc_data(self):
             h, incr = 0, 1
             p1, p2 = self.points[i], self.points[(i + incr) % n]
             if p2.is_arc:
-                h, incr = p2.arc_height, 2
+                h, incr = p2.arc_height.double, 2
                 p2 = self.points[(i + incr) % n]
             segments.append(ArcData(p1, p2, height=h))
             i += incr
@@ -225,9 +225,9 @@ def has_self_intersections(self, tol=1e-9):
             messages.polygon_data_with_tol_message(self, tol)
         ).value
 
-    @parser.to_polygon_data
+    @parser.to_polygon_data_list
     def remove_self_intersections(self, tol=1e-9):
-        """Create a polygon with all self-intersections removed.
+        """Remove self-intersections from this polygon.
 
         Parameters
         ----------
@@ -236,7 +236,8 @@ def remove_self_intersections(self, tol=1e-9):
 
         Returns
         -------
-        PolygonData
+        list[.PolygonData]
+            A list of non self-intersecting polygons.
         """
         return self.__stub.RemoveSelfIntersections(
             messages.polygon_data_with_tol_message(self, tol)
diff --git a/src/ansys/edb/core/inner/messages.py b/src/ansys/edb/core/inner/messages.py
index 205e38ee93..442a42d7ec 100644
--- a/src/ansys/edb/core/inner/messages.py
+++ b/src/ansys/edb/core/inner/messages.py
@@ -202,7 +202,7 @@ def point_property_message(target, point):
 def point_data_rotate_message(point, center, angle):
     """Convert to a ``PointRotateMessage`` object."""
     return PointDataRotateMessage(
-        point=point_message(point), rotation_center=point_message(center), angle=angle
+        point=point_message(point), rotate_center=point_message(center), rotate_angle=angle
     )
 
 
@@ -310,7 +310,7 @@ def polygon_data_with_points_message(pd, point=None, polygon=None):
     elif polygon is not None:
         payload["polygon"] = polygon_data_message(polygon)
 
-    return PolygonDataWithPointsMessage(polygon=polygon_data_message(pd), **payload)
+    return PolygonDataWithPointsMessage(target=polygon_data_message(pd), **payload)
 
 
 def polygon_data_expand_message(pd, offset, tol, round_corner, max_corner_expansion):
@@ -502,9 +502,9 @@ def point3d_message(point3d):
         return Point3DMessage(x=value_message(x), y=value_message(y), z=value_message(z))
 
 
-def point_3d_property_message(target, value):
+def point_3d_property_message(target, val):
     """Convert to a ``Point3DPropertyMessage`` object."""
-    return Point3DPropertyMessage(target=edb_obj_message(target), origin=point3d_message(value))
+    return Point3DPropertyMessage(target=edb_obj_message(target), value=point3d_message(val))
 
 
 def layout_get_items_message(layout, item_type):
@@ -543,14 +543,14 @@ def temperature_settings_message(settings):
     )
 
 
-def hfss_extent_message(val):
+def hfss_extent_message(hfss_val):
     """Convert to an ``ExtentMessage`` object."""
-    if type(val) == float or type(val) == int:
-        value = val
+    if type(hfss_val) == float or type(hfss_val) == int:
+        val = hfss_val
         absolute = False
     else:
-        value, absolute = val
-    return HfssExtentMessage(value=value, absolute=absolute)
+        val, absolute = hfss_val
+    return HfssExtentMessage(value=val, absolute=absolute)
 
 
 def hfss_extent_info_message(hfss_info):
@@ -722,7 +722,7 @@ def primitive_edge_params_message(primitive, point):
 def pad_edge_params_message(padstack_instance, layer, arc):
     """Convert to a ``PadEdgeParamsMessage`` object."""
     return PadEdgeParamsMessage(
-        padstack_instance=padstack_instance.msg,
+        padstack=padstack_instance.msg,
         layer=layer_ref_message(layer),
         arc=arc_message(arc),
     )
@@ -932,13 +932,6 @@ def net_ref_message(net):
         return NetRefMessage(id=edb_obj_message(net.msg if net is not None else 0))
 
 
-def adaptive_frequency_message(frequency: str, max_delta_s: float, max_passes: int):
-    """Convert to an ``AdaptiveFrequencyDataMessage`` object."""
-    return AdaptiveFrequencyDataMessage(
-        adaptive_frequency=frequency, max_delta=str(max_delta_s), max_passes=max_passes
-    )
-
-
 def _length_mesh_operation_message(mesh_op):
     return LengthMeshOperationMessage(
         max_length=mesh_op.max_length,
@@ -1097,15 +1090,17 @@ def differential_pair_creation_message(layout, name, pos_net, neg_net):
     return DifferentialPairCreationMessage(
         layout=edb_obj_message(layout),
         name=name,
-        pos_net=net_ref_message(pos_net),
-        neg_net=net_ref_message(neg_net),
+        positive_net=net_ref_message(pos_net),
+        negative_net=net_ref_message(neg_net),
     )
 
 
 def differential_pair_net_refs_message(dp, pos_net, neg_net):
     """Convert to a ``DifferentialPairNetRefsMessage`` object."""
     return DifferentialPairNetRefsMessage(
-        dp=edb_obj_message(dp), pos_net=net_ref_message(pos_net), neg_net=net_ref_message(neg_net)
+        dp=edb_obj_message(dp),
+        positive_net=net_ref_message(pos_net),
+        negative_net=net_ref_message(neg_net),
     )
 
 
diff --git a/src/ansys/edb/core/primitive/primitive.py b/src/ansys/edb/core/primitive/primitive.py
index 009c2a1b7d..69cc029e33 100644
--- a/src/ansys/edb/core/primitive/primitive.py
+++ b/src/ansys/edb/core/primitive/primitive.py
@@ -618,7 +618,8 @@ def set_parameters(self, center_x, center_y, radius):
             )
         )
 
-    def get_polygon_data(self):
+    @property
+    def polygon_data(self):
         """:class:`.PolygonData`: \
         Polygon data object of the circle."""
         return Circle.render(*self.get_parameters(), self.is_void)