Blender - Free 3D graphics and animation editor. Multi-platform open source 3D graphics package. Despite the relatively small size, the functions of this package are quite enough for both ordinary users and professionals to work with. The program has all the basic tools that are used in professional 3D editors. Blender includes tools for 3D modeling, animation, rendering, video processing, a set of options for creating interactive games, 3D visual effects and much more. Using this program, you can create realistic 3D paintings, with the quality of a digital photo.
Blender, like any professional 3D package, comes with a large number of primitives from which you can build your own models. Various rings, cubes, spheres, cylinders, additional grids, etc.