3-Axis Cable Chain Upgrade for Makergear M2

by jhaupt, published

3-Axis Cable Chain Upgrade for Makergear M2 by jhaupt Sep 6, 2015
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These are the necessary parts to add a commercially available cable chain to each axis of a Makergear M2.

The cable chain is item number 4516T46 (3' length) and 4556T33(three pairs needed) at McMaster-Carr.


Complete parts list and assembly instructions here:


NOTE: At the time I was using PETG exclusively for heat resistance, which is the material called out in the instructions. If doing this now I would probably use XT-CF20, or a PLA-based composite like ProtoPasta Carbon or Matte HTPLA (very nice), and heat-treat the parts.

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Link isn't working. Any chance to get it updated? Thx.

Oh, that's right, I moved the page; fixing it now, thanks.

Hi, Justine, just a quick note. Isn't 4556T33 the correct part number for the mounting connector from Mcmaster-Carr? The current number you have listed is the connector for a different size cable chain. It is listed as 4556T33 in your PDF file. Thanks for the cool design!

Hi Will, you're absolutely right, 4556T33 is the correct number. I just fixed the description, thanks for catching that.

Hi - this is awesome! Looks like the link to your instructions is broken :(

Fixed, been updating the website. Thanks!

Sure thing - I'm trying to figure out some alternative material I can print this out with since PLA won't work due to the heat.....I have a horrible time printing in ABS due to shrinkage/warping :(

PETG (AKA PET+) is what I used. It prints quite easily and has a higher glass tranistion temperature than PLA. Actually, specifically I used Eastman Amphora (sold as colorFabb XT and Taulman n-vent) but I since found out it's essentially PETG and have switched to the eSun stuff (intservo.com) for $29/Kg. I hate ABS myself... didn't even give it a chance and learn how to print it properly because I can't take the smell.

Also, one of the new formulations of Polcarbonate (ePC is what intservo.com sells) seems extremely promising but I haven't had time to try it.

Oh cool - thanks for the info. I have a few spools of PETG from toybuilderlabs.com which I have yet to try so this will be a good test to try it out.

I also looked up the ePC from intservo.com which looks exactly what I need for another project which needs to be somewhat fireproof......just worry a little about the shrinkage/warping though as intservo says it has high shrinkage.

Update: Since last year ePC from esun and PC-Plus from Polymaker have become my standard materials for anything requiring real-world mechanical strength. Fantastic stuff and we stared using it at work for connecting pieces for a large outdoor aluminum radio dish. I expect it to hold up well.

Parts no bigger than, say, 100mm on a side are perfectly doable as long as a lot of brim is used and the build plate (PEI surface) is set to ~105C. The heat is needed to keep the prints glued to the surface in resistance to the shrinking/curling.