Fabric Krystals This geometric design has many, many triangles but you will not be sewing any. The blocks are constructed using techniques that involve sewing on big pieces of fabric, then cutting, then sewing some more. Being able to sew an accurate ¼” seam is very important. I used fourteen fun fabrics to make this one! Check the gallery on my website for more color ideas and more fun patterns. Sizes: Wall, Lap, Twin, & Full