Printable Drag Chain!

by gwc, published

Printable Drag Chain! by gwc Oct 6, 2012

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A drag chain fully printable that only requires 2 M3 bolts, and 2 M3 nuts. The rest of the bolts that appear on the picture are optional for holding in place the wires.


Print the following items:

  • 1x EslabnFinalM8-B.stl (End link that goes attached to a M8 rod)
  • 1x EslabnFinalScrew-A.stl (end link that goes screwed to a board)
  • ?x Eslabn.stl (normal links)

The heatbed of the Prusa Mendel (It 2) uses 11 normal links.

After you print you may need to drill the holes for a perfect fit and also sand the surfaces that are going to be in contact. Lubricant will help!

Note: when uniting the links together the A part of the links (the one with the big hole) may brake a bit. As long as the main circular structure is still in place it will work perfectly.

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What are the screws for? Looking at the images posted, it appears they aren't the hinge points.

gwc - in reply to AbuMaia

Screws are optional, just for keeping the cables inside. Most drag chains have a roof, it serves as such, you don't need all of them, just a few, but you will need to glue the bolts or tighten them with two nuts.

how do you find the bolts and nuts? do you tighten them with 2 nuts so that they are still free to twist? otherwise there may be issues with nuts comming loose :s locktite is also good for this :)

Yep, sorry for the delay, I glue them, but you may use two nuts if you wish.

It is amusing to see how many people design and print something, thinking they are the first. A search will reveal many have done this. Don't worry too much, I did the same thing.

 i use the fully printable one on my prusa, so neat.

gwc - in reply to ronthomp

I know there are another models, still i didn't like them this is a bit simplier to fit toghether and it uses very little plastic :p

That is why I made this design. Also the end-links werent very useful for my intentions with the drag chain.