Fiskars Rotating Cutting Mat - 13" x 13"The Fiskars 13" x 13" Rotating Cutting Mat is excellent for cutting out applique or squaring off large quilting blocks up to 12. 5" at easy angles, thanks to the rotating design of this cutting mat. This self healing mat has an easy to read measuring guide, plus bias lines to make accurate shape cutting swift and precise. The 30, 45, and 60 degree bias lines make creating triangle and star shapes effortless. The Fiskars 13" x 13" Rotating Cutting Mat