: You got me. Can't a vertex not be orthogonal? I was relatively weak in the 3-dimensional stuff.--[[User:Aschlafly|Aschlafly]] 23:55, 21 May 2007 (EDT) | : You got me. Can't a vertex not be orthogonal? I was relatively weak in the 3-dimensional stuff.--[[User:Aschlafly|Aschlafly]] 23:55, 21 May 2007 (EDT) |