VPython 6.0

It is a programming language plus a 3D graphics module called "visual".

VPython is a programming language plus a 3D graphics module called "visual". VPython makes it easy to create navigable 3D displays and animations, even for those with limited programming experience.

You can choose from various 3D objects such as cylinders or boxes, change the color or material of 3D objects and perform vector operations.