For the Softies and other Houdini users that miss the convenience of XSI's customizable primitives, I recreated the Sphere, Torus and Tube prim. as an HDA.

https://youtu.be/Az3p0H9-Huc [youtu.be]

You can download the files from Gumroad : https://toonafish.gumroad.com/l/hujpno [toonafish.gumroad.com]