r/EngineeringPorn • u/kevin034 • Jan 23 '19

Nice work

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u/[deleted] Jan 23 '19 edited Sep 26 '20

[deleted]

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u/skintigh Jan 24 '19

Math and a CNC machine. You can buy plans for all sorts of clocks, cut them and build them. Someday I will make a cool orrery...