Done entirely in Bryce 3D with spheres (both squashed and regular), torii, and cylinders -- no post work on this version except for copyright. While some primitives were grouped, all were set at neutral (i.e. - no booleans).

To see the wireframe version (800 x 600), click here.
To see the shinier post-worked version (800 x 600 pixels), click here.
To see the shinier post-worked version (1024 x 768 pixels), click here.