Keychain - ZigZag Rack & Pinion (Print-in-Place)
cults3d
I love the free sliding of the rack & pinion gear set… so i designed another one… this time I made 2 racks and 1 pinion with a special feature…. It will change the direction of rotation at the middle of the keychain… the first one I printed had inconsistent gaps… did not noticed that until I recorded a slow-mo video… I had refined the gaps… you will see the difference in the video posted… Anyway… hope you like this thunder-bolt keychain… and had fun with the free sliding gears…
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