How do I use a .bsg file?

Simple mechanical calculator

uploaded by The J 3 months ago

This is a calculator that can add up two angles to output their sum, using a differential and a 1:2 gearing. This includes negatives, but can only do up to a sum of 360 degrees. Sadly the gearing has a bit of backlash in it, about +-20 degrees in the output dial. If anyone has a better way to do a 1:2 gearing, please tell me.

Left/Right for the first dial
Up/Down for the second
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