PLY / Polygon File Format / Stanford Triangle Format / neutral file OBJ does not support mesh vertex colors, armatures, animation, lights, cameras, empty objects, parenting, or transformations. If the result is larger than 50MB, that is the issue.īlender / open source (.blend) / native file
Export/.obj file: If you imported a file into FreeCAD, try exporting the 3D model as a. Programs: Based on your file type, you can try importing the file into any corresponding programs shown in the table below. For CAD files, an intermediate file export that happens in the script must also be under 50MB. File size: If the file size is over 50MB, it will be skipped. You can try the following steps if you cannot get a 3D viewer & preview generated. 
Transparency: Transparency is not currently supported for the 3D viewer. glTF files (.glTF): If you are uploading a glTF file, ensure to include all textures & the. If you are getting a grey image, check that you don’t have a poorly placed camera in the scene. Image rendering issue (.fbx): The 3D viewer will use the real camera, if one exists for your 3D model. Polycount/textures: Try to keep the polycount and texture sizes as small as possible for performance reasons. If it is, the vertex buffers are multiplied by the material’s base color. If the material is not valid, the vertex colors will show. Vertex colors/materials: We support vertex colors and materials. That will cause flickering when you rotate the model in the viewer. Meshes: Make sure no meshes occupy the same space. Files that Blender handles must be a principled node connected to the material output. Materials/setup: Materials have to be set up correctly. 
You can also import your model into Blender & export your own. fbx files are recommended if you want good material support.
Material support: Material support varies by file type. Tips for 3D viewer file support and compatibility. *Future file support (Coming soon – not available yet).
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