OldTools Archive

Recent Bios FAQ

265863 curt seeliger <seeligerc@g...> 2018‑05‑17 Re: Use of zig zag rules
GeekyCheeks wrote:
> I seem to also recall seeing my dad use one as a square (folding it into a
> right triangle). Not sure if I'm remembering that properly or how he did
> it. By my calculations, a right triangle with a 4:5:6 ratio doesn't
> translate to a 6' folding rule.

It translates just fine if the segments are 4.8 inches long, but that won't
get you your right angle. You might be thinking of a 3:4:5 triangle, which
gives you that right angle AND fits on a 6 foot rule with 6 inch segments.

Recent Bios FAQ