Fun and Easy to Follow Optical Illusion Quilt Pattern Fibonacci's Fancy Quilt Pattern, 73" x 93" Leonardo Fibonacci was a famous mathematician from the 13th century. His formulas gave designers mathematical balance that created unique interest and order. The optical illusions created by this fun block are captivating. Quality Material Girlfriends Pattern by an Award-Winning Professional Graphic Designer Material Girlfriend Patterns are easy to read and follow, with detailed cutting and sewing instructions. They offer step-by-step instructions and plenty of graphics for the visual learner. Fabric Requirements 1/2 yard cut from Seven different Blue/Teal fabrics 2 ½ yards Blue/Teal for no-seam Outer Border (includes fabric for blocks as well) 3 ½ yards of White for Background and Inner Border 5 ¾ yards Backing ¾ yard Binding