YouTube lunatic designed and 3D printed a working mechanical calculator

The RegisterSep 30, 2026, 8:39 PM UTCUnited Kingdom · EUROPE

If you can't afford a Curta, we still don't recommend trying this: It'll eat up months of your life and all the filament you have

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If you can't afford a Curta, we still don't recommend trying this: It'll eat up months of your life and all the filament you have

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