Reply by Mark Whitsitt

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Posted on Cutting triangles

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Mark Whitsitt

86 posts in 2974 days

#1 posted 05-09-2010 04:59 AM

Richgreer beat me to it, but I always find it a bit easier to visualize this sort of thing, so I quickly drew this up in Visio…

Note, that the second cut is first flipped along the vertical axis, and then rotated 60 degrees clockwise.

The third cut determines the overall dimensions of the equilateral triangle as defined by the distance “n”.

If you’re paying attention, and very, very careful with measuring, you can get 4 identical equilateral triangles with only two more cuts… you figure it out 8^)

Now, an equilateral triangle is a special case of an isosceles triangle. this means you can use the same technique for any isosceles triangle, whether acute or obtuse; just change your miter angle and final cut dimension.

Other types of triangles would take more complex cuts…


-- -- "there are many good reasons to use old hand tools, but moral superiority is NOT one of them..."

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