. The Omnigrid® 360 Rotating Cutting Mat makes rotary cutting so easy, even in a small space. Rotate the mat instead of your body, which saves time, reduces fatigue and improves accuracy. Non-slip rotating base that lightly suctions to flat table surface. Scalloped edge for easy rotating with fingertips. Centering measurements. 1/2" overall grid lines for easy alignment. 30 degree,45 degree and 60 degree markings for angle cuts.