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Coil Bot

by Revilo May 18, 2014
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Nice! One question, though - is there anything special about the spool spacer that makes the file so large? If not, any chance you could share the dimensions so I can make one small enough to not crash my slicer? :)

The spool spacer is just a cylinder used to put the coil at the correct distance from the stepper motor. I think I had Autodesk on some kind of super high res setting when I exported it. The dimensions are as follows: Inner hole is slightly larger than the diameter of the metal shaft of the stepper motor around 5.25 mm. The disk is 6.5 mm tall and has an outer diameter of 22 mm. I would advise only using this as a reference design though... The code and overall functionality are pretty limited and incomplete as I built it in High School for a senior project =P

In between finals I was able to put together a PCB using Fritzing. I could have went with Eagle but I wanted to make it as friendly to mess with as possible. You can find it here: http://www.kyleorourke.com/coil-bot/http://www.kyleorourke.com/coi...

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Will you post a BOM of all the non-printed parts you used?