Triangles, hexagons, diamonds, and more! Learn to measure, rotary cut, and machine piece 60° shapes with ease.Sew 15 interesting angular quilts with no templates, no Y-seams, and no paper piecing!Any 60° triangle ruler or straight ruler with a 60° mark works with these patterns.Arrange blocks in straight rows or kaleidoscope layouts for wildly different looks.After learning triangle grid basics, you’ll be able to design your own angled blocks and quilts.