Ultimaker mount for Heavy Duty Spool

by fluxline, published

Ultimaker mount for Heavy Duty Spool by fluxline Oct 31, 2012
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This is a mounting for the Ultimaker to fit the Heavy duty printable filament spool, thing thingiverse.com/thing:10219. It attaches to the back, left, top frame bolt. It also has a printed thread cap to make it easy to change spools. The spacer not only allows the spool to sit away from the frame but you can also just print a different size for other spool types, there is also a shorter version to mount 2 spools.

02.11.12: Updated mount to fit rod better
09.11.12: Added a holder for filamant shipped with spools, there is also a longer rod to hold these fat spools, both plastic and cardboard
16.12.12: Some have issues with reel hitting motor, made it longer by 50mm to increase clearance. Would be helpful if someone could confirm this fixes the problem. Listed as Fluxline_Spool_mount_V2.stl
02.04.13: Some had issues with some filament spools hitting the extruder. I have added a new, V3 spool mount that shifts the rod more the side giving about as much clearance as you can have.


  • Print the parts:
    ---- http://www.thingiverse.com/thing:10219 or http://www.thingiverse.com/thing:12175 (not actually tested this one).
    ---- The mount is printed on its side with a bit of support.

  • bolt the rod to the back of the mount, using countersink screw or bolt is best.
  • slide spacer over rod
  • remove back, left top bolt of frame, slide hook of mount over frame aligning holes and replace existing screw with 20mm. Best to carve out a bit of countersink on the printed mount depending on what type of bolt you replace it with.
  • Put on a spool with filament and secure with cap.

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Which spool are you using? the heavy duty one clears the motor on the existing feeder ny centimeters.

Hey i printed out your mont and the spool seems to big! It is running into my extruder. did you do anything to fix that?

 increased length of mount by 50mm, should clear, let me know if it does not. thx for trying the design.

Which spool are you using? the heavy duty one clears the motor on the existing feeder ny centimeters.

Heavy duty printable filament spool

increased length of mount by 50mm, should clear, let me know if it does not. thx for trying the design.

Thanks fluxline for this design! And also for the update of the mount!

 Thanks! let us know how it works for you.