No, because think about it: If you have a yard as 44" x 36 " if you got 2 yards, you'd have 44" x 72"!
I can't picture it...does Rikki Timms do a diagonal cut that makes your fabric "grow"? And if so, does that mom have the link?
There might be a trick to do it. And, what about the front? Who is paying for the front?