If 3D model data is provided, then we would like this in any of these formats:
We Recommended FBXGLB/GLTF(with textures embedded) is the preferred file format for none CAD models, i.e. outputted from Cinema4D and others.
Others:
OBJ with Materials and Textures embeded
Collide .DAE or .ZAE
For more Solid/Cad models, Any of the popular formats would be accepted, IGES
Autodesk Inventor .IPT .IAM
CATIA V4 .MODEL .DLV4 .DLV3 .DLV
SolidWorks .SLDPRT .SLDASM
...