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i3 Cable Chain Mounts

by JBFromOZ, published

i3 Cable Chain Mounts by JBFromOZ Mar 5, 2013
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attachment for i3 cable ducts, allows for neat wiring to the X and Z carriages, with single axis cable chain motion for all wiring


Check out my YouTube Channel at https://www.youtube.com/user/JBFromOZ

Print, attach, wire up enjoy a minimalist i3.

one end of the chain is secured with a self tapper into the top of the MGS mount.
revised scad to be more parametric

I am not 100% happy with the height of the X mount, but the scad is parametric, so modify to your heart's content!

I have now added the Y Cable Chain mounts, and will have more cable ducting and the LCD box and Ramps box as further development before this item is completed.

I originally avoided endstops, but will now be adding these into my existing X end cable chain mount along with some nice Y and Z mounts that are fairly lean

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How did you get it to successfully print the Belt Teeth in the Y Holder?

Comments deleted.

Please note this model is for the i3 rework with the 8mm threaded rods, not the 10mm of the original i3. with 10mm threaded rod the y axis belt clamp won't sit on the frame correctly and blocks the linear bearing on the smooth rod above.

my Y carriage threaded rods are M10 not M8. I have 8mm smooth rods, and the clearance is good for thompson SPM08 bearings, provided you place your attachment to the bearings tight to the Y plate

I have used the EinStein mod as the basis for my printer, as per my wiki page here. http://reprap.org/wiki/JBFromOZ#EiNSTeiN_VARIANT

This pre-dates i3 rework

I have added 3 more pictures around the Y attachment. The single plate frame I have is an original Josef Prusa frame, so i know it fits that. Note that other kit manufacturers (e.g. laser cut frames) have modified from this original design, so your frame looks to be different from a prusa original design.

How many links did you use on each stage? 18. never mind :)

21 on the X (extruder to X end)
18 on Z (X end to ramps)
12 on Y (Y belt attachment to frame piece)

Can you post more photos on the axes X,Y and Z for fixe items please ?
Best regards

Which extruder is that in the photos?

Please explain further how the chain attaches to the underside of the y carriage and to the frame.


the two replacement pieces are used, one which fastens to the Y frame, the other that fixes to the frame, the cable chain joins these 2 new items

The extra photos help. Thanks for putting them up.

check the "derived from" chain as per this item Wire Chain 20mm by Snille

what kind of chain did you use for this ?

Nice! I've actually got one for the i3 y-carriage I need to publish. :)