Description: These are perfect to use with rotary cutting systems. These templates are perfect for hand or machine piecers. Cut multiple layers at one time, specific-size 1/8" thick acrylic pieces with 1/4" and 1/8" seam allowances. Laser cut accuracy on every piece with "smart" corners revolutionary double-blunt corners for perfect alignment to prevent dog ears. Each set includes instructions and design sugge stions. Set B contains seven pieces based on a 4" square plus component shapes . Includes directions for 6 block patterns.