First construction in 3-D - start with something basic.
It looks like GGB is capable of Cross[u,v] to crossproduct and Dot[u,v] to dotproduct!
Cool story about how to spell Parallelepiped: [url]http://mathhombre.tumblr.com/post/98975530294/parallelepiped-ggb5-has-3-d-finally-got-to-play[/url]
