This summer we decided to redesign our bench square to make it more useful, and this is the result. The original was modeled after the square shown in “l’Art du menuisier” by A.J. Roubo. This new one is modeled on an even older European tool that marks and measures 30°, 45°, 60° and 90°.
Unlike originals, which were typically made of walnut, our version has Baltic birch blades and a maple stock. This makes the tool almost immune to seasonal humidity changes so it will stay accurate for years to come. Because of the laminated construction of the blade, the pointy tips are quite strong (we threw one to the concrete several times to prove this).
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The angles on the tool are perfect, thanks to the fact that we laser-cut the blades. Then the squares are further trued when the maple stock is trimmed on a dedicated fixture.
The Crucible Bench Square Mark II is $34 and is available now in our store.
We keep one of these hanging under the bench (or on the tool wall behind the bench) because it’s super handy for simple things like marking lines for crosscutting stock. The tool is lightweight at only 2.4 ounces so it’s a pleasure to handle.
We ship it unfinished, which is how we leave ours. A bit of wax will fancy it up if you like.
Like all our tools, this square is made in the U.S.A. The parts are laser-cut in Ohio and assembled in Kentucky.
— Christopher Schwarz
P.S. If you don’t want to buy one, the book “Euclid’s Door” has complete instructions on how to make one (and learn some cool geometry in the process).