This is a nonlinear camera slider which I designed in Open-SCAD based upon the idea of pantograph arm which constrains the movement to the same distance in two axis at the same to result in a fluid motion of the camera.
ALso if your interested is seeing more about this project, we created a video detialing it here: https://youtu.be/5L9KPP6Xtkg
Parts Required to build:
8 - 608zz bearings: http://amzn.to/2mfjnaG
2 - 1/4in 20 turn 45mm long cap head Allen bolts (other head type might work)
2 - 1/4in 20 turn nuts (these go in the tripod base its being printed)
2 - 1/4in washers
1 - 1/4in 20 turn 75mm long cap head Allen bolts (other head type might work)
1 - Small ball head camera mount: http://amzn.to/2mfu6C5
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