View 3D format 3ds 3mf amf ase att dae drc dxf fbx gltf jt obj ply rvm Stl u3d usdz usd vrml x via .NET library using a few lines of C# code....are WavefrontOBJ, Discreet3DS, STL (ASCII, Binary), FBX (ASCII,...very simple, load the source file through an instance of the scene...