Actually, this is incorrect. You can create square surfaces with any of the free curve tools. You might want to read up on boundary surfaces and square surfaces in maya's help files (NURBS chapter) to get a better idea on how they work.Originally posted by LSphinx
ok, I found out that what he ment by Cp is really Pencil Curve...
because it is the only curve that I can make a Surface > Square option with.