Why do the transparent objects in my 3D model appear opaque?

This usually happens because each 3D program has different ways of handling transparency in materials or creating materials of different types. Some of these methods may not be compatible when exporting to the GLB and GLTF formats, which are supported in VTPro, hence...

How can I define that some objects cast shadows or not?

For this purpose, we have the "Cast Shadow" option for individual objects in 3D Models While the lights in VTPro possess the property to project shadows or not, and this attribute can be globally modified for our 3D model, certain projects require the ability to...