Patchwork of the Crosses 1.5" -102 pc set Mylar 1/8" Quilting/Sewing 102 Piece Set - 1- 1.5" Sides- Flattened Hexagon & 1- 1.5" Sides- Square Acrylic Quilting Templates - 50 - 1.5" Mylar Squares. 50 - 1.5" Mylar 90 deg flattened hexagons Set does have seam allowance. Measurements are on seam allowance lines. These are sized to fit together. Make "Patchwork of the Crosses" Quilt and other designs.All angles are 90 degrees. This set is 1/8" thick acrylic. We also offer Mylar in these shapes and sizes