Creative Grids 12.5 X 12.5 Rule Fussy Cut Ruler
Dual-purpose: Use vertical, horizontal & diagonal lines tosquare up any 12-1/2in pieced, appliqued or embroideredblock. To fussy cut, center a design in the 1in-11in solidsquares. The drilled holes at 1-1/2in - 11-1/2in incrementslets you mark & add the seam allowance to fussy cut pieces.