Cake Mix Recipe Block #7. By Miss Rosie’s Quilt Company for Moda. Piecing Made Easy! This Cake Mix Pad contains 44 recipe cards (printed foundation papers) that will make 176 – 3in Half Square Triangles, and 704 – 1 1/2in Half Square Triangles. One assembled recipe card makes four 3in x 3in Half Square Triangles, and sixteen 1 1/2in Half Square Triangles. One assembled recipe card will yield the pieces for two 6in x 6in blocks. Foundation Paper Piecing. Block for this Recipe is pictured on the package. Uses one Print Layer Cake and one Solid Layer Cake.