Let's see if this graphic will help you. The side triangles are cut the same way for your columns as they would be for quilts set on point.
Jan in VA
Shoot....too tiny to read, I'm sorry. If you hold down the "ctrl" button on the keyboard while using the scroll wheel on your mouse, you might be able to enlarge the print. Just reverse the direction of the scroll action to take it back to normal.
Last edited by Jan in VA; 10-08-2013 at 07:39 PM.