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The Strip Tube Ruler

The Strip Tube Ruler! You asked for it, and here it is! This ruler makes half square triangles a breeze by combining brilliant engineering with the tube technique.
It's perfect to use with strips and even includes directions to make the favorite block from 2 1/2 inch" strips.
for a great guide to using this ruler to easily square up Half Square Triangles and chart on how what size to make your tube for Half Square Triangles.


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