Kaleido-Ruler Large 6-16 Blocks
Just one tool is needed to cut both kinds of triangles for kaleidoscopetype blocks the easy, accurate way. Make blocks like spider web, crossed canoes and kaleidoscope in 13 sizes, 2" to 8", or eleven sizes, 6" to 16" every half inch. Angles: 90, 45 pointed and 45 blunted.