Thanks for the tutorial. I'm going to make one 22" wide sled with adjustable side stops to hold the boards. Two dowels on the bottom of the side stops will stick into the top of the sled. Four sets of holes in the sled can be spaced for 5, 8 and 10 frame widths plus the long sides.
Talented. Entertaining. Sultry. Artistic. Haunting. Addictive.