[ Ссылка ] -- A no-math solution to setting blocks on point.

This folding acrylic tool saves time and fabric by making it quick and easy to cut setting triangles. No more math or wasted fabric! Simply flip it open, set it in the corner created by the blocks on-point, and read across the line to see how wide of a fabric strip you will need for the triangles. You can then use the Flip N Set tool to cut the triangles. Marked for finished blocks ranging from 4" to 16" and triangle strips from 3 1/2" to 12 1/2".

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