Creative Grids Square on Square 8" Trim Tool
Create 4 inch or 8 inch square on square blocks. No calculations needed - all the cutting measurements are printed right on the tool! Trimming each round as triangles are added creates perfectly square, uniform blocks. The popular Snail's Trail block is now easier than ever - simply change the colors of the triangles!
Size - 8-1/2in x 8-1/2in