Add blind Watermark Verification to 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....without any 3D modeling and rendering software to build cross-platform...verification OBJ Watermark verification PDF Watermark verification PLY Watermark...