Description: Two half square triangles sewn together form a 4 1/2" finished square. Triangles are a basic building block in quilting. Arrange triangles in colorful combinations for great quilt designs. Combine with GO!® Square-5" (55010) charm squares to create interesting and exciting 9" finished blocks. Cuts 2 shapes of up to 6 layers of cotton fabric at a time. Die includes seam allowance and dog-eared corners. Use with AccuQuilt GO! and GO! Baby die cutters, and a 6'' x 6'' cutting mat.