Material: acrylicColor: transparentAngle: 45 Strip Ruler, 60 Strip Ruler, 90 Strip Ruler 11. This ruler is great, whether you are a professional or a hobbyist, this ruler can help you make more designs, the 45/60/90 ruler is designed to cut 1/2 triangle, half square , 1/4 square triangles, 45/60/90 degree triangles, trapezoids and various other triangles, with cut strips on one side and related triangles on the other, allowing you to get started faster and easier. 22. You can cut triangles. Then turn the ruler and line up all the triangles along your strip of fabric, cutting out multiple triangles at once. Holes cut from the ruler allow the rotary cutter to cut the strip without damaging the ruler. 33. Easy to control, these quilting ruler templates hold the quilting ruler firmly, the template slides easily on the fabric until pressure is applied, the clips hold the fabric in place while cutting, remove mistakes, you can do it yourself. Various patterns can be made by hand. 44. Fully transparent structure, clear scale, practical metric scale design, accurate scale, thin and clear lines, easy to read, rotating cutting template, clear scale and high precision.