Martelli 17" Round About Cutting Mat
The Martelli 17" Round About a cutting mat has the perfect measurements for precise block cutting. This mat is 16 3/4" in diameter and the grid line measurements are 1/4". The mat has no slip material on the backside of the mat to keep it from slipping. It has a square in the center for squaring up fabric and ranges from 2" to 10" in size. This mat comes with the 17" 3 piece round about set.
