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Parts that work with others

34 movable parts and 24 pins, from https://drive.google.com/file/d/0ByKOCnut-FVSX2tidmIyMzNvZ0E/view?usp=sharing at https://grabcad.com/library/circular-linkage-with-fixed-center-mechanism-1.I suppose I should have mixed up the colors better, but there were many fails and it was printed over time

Helical gear set.

15 cm tall helix. It only took about 30 hours!

These are awesome! What resin did you use?

Also, what were your support strategy and print orientation for the helix screw and the gears?

I’ve only used G+.The only support I used for the helix was to the first layer of the helix. I bordered the first layer with a thin-walled perimeter and coned the center shaft. I used more supprts for my first iteration, but it was a huge mistake, resulting in unacceptable deformations throughout…