Pair these 4 dies with your GO! Qube 9" Mix & Match Block (55777) and GO! Qube 9" Companion Set-Angles (55790) and get 216 block designs to choose from! Just add an AccuQuilt GO! Fabric Cutter and fabric! This set is all about the corners! The 9" Companion Set includes four shapes labeled 9-12.1—a continuation of the 1-8 die numbering system from the GO! Qube 9" Mix & Match Block—a cutting mat, an instructional DVD.