Get Stitch-a-hedron! in paperback (Amazon) or PDF (Etsy). Stitch-a-hedron! the latest book by Cathy Perlmutter, is just plain fun. Or maybe that should be fun with planes, as in flat surfaces. All the projects in the book are based on polyhedrons, three-dimensional shapes made from flat surfaces. Combine six squares and eight hexagons, for example, … Continue reading →