The ultimate spool holder

by skibbe10, published

The ultimate spool holder by skibbe10 Jun 27, 2013


This is a simple, yet powerfull, spool holder for the Makerbot Replicator 2.
It is designed to just clip-on on top of the printer, under the lip of the "roof".
The 3 rods is 12mm brass tubing, which slides into the holes of the feet and top hooks. No fastening needed. The crossbar is press fitted in the hooks. The standing rods are have a 20degree angle backwards for stability. Mounted with the hooks forward to have the center of gravity above the mounting position.

The spool bearing adapters are made in two halfs, bolted together with 3mm bolts. The adapters are designed to hold spools with inner diameter 52 up to 56mm on one side, and 32mm if you turn them(Pic 5&6). If you make 3 spool adapter sets, they can hold both a 32mm and 52-56mm spool.
My adapters warped a bit under printing, so thy have a perfect pressfit with the spools.

Parts list:

  • 3pcs 12mm tube/rod length optional(mine 3x40cm)
  • 2pcs ball bearings Type: 6301 2RS Measurement: 12x37x12mm
  • 4pcs 3mm bolts and nuts.


  • 2pcs Spool foot
  • 2pcs Spool top
  • 4pcs Spool bearing adapters

Designed in Autodesk Inventor( part files in the .rar)

Any comments and improvements are welcome ;)

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All parts printed with:

3 shells
35% infill
layer height: 0.25mm

Spool fot printed on the side
Spool top printed on the flat side down
Spool bearing adapter standing(half moon).