Download 3D model of the Classic Window. The above 3D model is prepared in 3dsmax software and version 2018 and then outputted in various 3ds, fbx, obj formats and for Vray Renderer, Corona Renderer and standard rendering engines. Therefore, according to the type of 3D program used, users can change their format in programs such as 3dsmax, Maya, Houdini, Blender, Cinema4D and other software. Download and use 3D software.