When you create 3D you add depth to images and this depth makes the image looks real. The 3D retro effect looks like what you would see if you looked at an old 3D movie without the 3D glasses.

FBX is an advanced 3D file format that can hold more 3D data than the OBJ format, including textures, models, joints, animations, camera, lights, skinning, etc. While OBJ is a rather simple 3D file ...