Use the straight side of this double strip ruler to cut 1-1/2 and 2-1/2 inch strips – or use the pre-cuts that are on the market. Sew these strips together to create a 4-1/2 inch wide strip set.
Turn-a-Round the ruler to cut five tumblers that finish 4 inches. Multiple layers can be cut at one time.
The key holes in the ruler enable the rotary