AssimpImporter Supported file formats .fbx,.3ds,.obj,.dae,.ifc,.glb,.gltf,.stl,.raw,.q3d...40+ mor format is here https://github.com/assimp/assimp/blob/master/doc/Fileformats.md
test modelfile https://github.com/assimp/assimp-mdb
step 1.compile assimp c++ dll https://github.com/assimp/assimp this version is 5.25.2
2.add assimp.net C# dll https://www.nuget.org/packages/AssimpNet/5.0.0-beta1 https://bitbucket.org/Starnick/assimpnet/src/master/
3.in Unity parser model format
4.codeding unity texture,unity mesh,unity material, unity gameobject
5.generate gameobject and tree
support OldVersion 4.265.0.3
support NewVersion 5.1.15.4.x
can self extend to runtime
drag .udatasmith fileand assets folder to Project/Assets folder thanks! https://github.com/Calonca/unity-datasmith-import
Support Runtime Import .skp file 1.invoke sketchup sdk in c# wrapper 2.parse skp file 3.unity mesh material,game object and tree
Update Sketchup version change(replace) dll in Sketchup 2024 thanks! https://github.com/moethu/SketchUpNET