Etalon Micrometer

3D Model of a Etalon micrometer, used to design a box to store it.

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=> Have a look at my USB power supply mod (5V/1A) for Prusa MK4(S)/3.5(S)/MK3(S)(+) and Prusa XL, perfect for powering Buddy3D cameras or similar:  3DMind.ch