This pattern uses any sized X-Blocks rotary cutting tool. Use the 7 1/2 Inch X-Blocks tool for finished size 98in x 112in. Use the 6 1/2 Inch X-Blocks tool for finished size 84in x 96in. Use the Mini and Bellybutton X-Blocks (all sizes) for finished wall hangings 49in x 56in and 38in x 44in.