That's why they're called primitives, they are meant as building blocks to create new geometries. Anyone trying to hold a patent on such a basic geometric form would be laughed directly out of court. Geometries like these are generated with simple math. The fact is that software engineers can't even prosecute hackers for stealing entire programs. Don't steal anyone else's livelyhood and you'll be fine. I found some good primatives somewhere on the net, rounded cubes, squares etc... If you email me I'll let you know when I locate the site again. Be encouraged to make new stuff that way, I have been and it's lots of fun.