Continuing to work on my guitar “fretbox” assistive device. Used my cheap digital calipers ($15 on Amazon) to measure the distance between the guitar frets and strings, drew up a quick guide in illustrator, and then drew circles over the strings whose diameter corresponded to the diameter of the solenoids I’ll be using.
I was pretty excited (see smile above). But what I didn’t take into account is how much extra wood the laser cutter would eat up. The solenoids don’t exactly fit snuggly. I measured the interior diameter of the holes, and subtracted the difference between what I told the laser to cut and what actually was cut. I used this factor to redraw the circles…
and now, they’re too small. This means that this relationship is probably non-linear. I’m so close though, that I think I can just measure the difference, and make a fudgy “close enough” calculation. I bet I can get it pretty darn good next cut. Tomorrow!
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