Sew together 24 of Creative Grids 15 degree triangles to create a complete circle; 12 to create a semi-circle; or 6 to create a quarter-circle. ; Create Fans, Dresden Plates, etc. up to a finished size of 48 inches with this EXCLUSIVE Quilting Template and Ruler.; This quilting ruler tried, angle comes with marked 1/4/4/marked inch seam allowance. Te "15 Degree Triangle Quilting Ruler has a PREMIUM Gripper which holds the fabric for smooth cutting;Cut 30; 45; 60; and 90 degree units with the CLEAR Angles Marked on the triangular ruler. Use the Vertical Lines to Fussy Cut Stripes or Cut Half-Triangles;Scan QR Code printed on this quilruler to view Video demonstration.