Skip to content

Feederbot (DIY Filament Rack)

Creation's quality: 0.0/5 (0 votes)
Evaluation of members on the printability, utility, level of detail, etc.

3D model description


I made a filament rack and wanted to share the parts list and diagram so people could make their own. I spent a long while testing with spool sizes from all the usual suspects and this setup seems to work well with all.

The 3/4" pvc pipe (actual outer diameter 1" or 27mm) fits the smaller 33mm spools (Octave, MatterHackers) and the larger 52mm spools (MBI, Protoparadigm).

One Note:

I sell this rack fully assembled and it includes the red threader cap that cleans the filament in some of the photos. Unfortunately since that part is patented I can't share it here. (

3D printing settings


You can use hardware store 3/4"PVC Schedule 40 pipe.

I use furniture grade PVC pipe - it's much more expensive but the high gloss finish produces very little friction when the spools are doing their thing.

I suggest dry fitting all pieces THEN use PVC pipe cement on all parts.

The cement dries in 30 seconds - so be careful with this step.

In total you will need 1 x 10' length 3/4" PVC pipe cut down to:

1 x 15" (front foot)

1 x 10"

2 x 8"

4 x 7"

2 x 6"

2 x 5"

6 x 4" (5 of these are the spindles that the spools hang on)

2 x 1.5"

4 x 3-way elbow

5 x tee

1 x cross

3 x 90 degree elbows

5 end caps

3D printer file information

  • 3D design format: PDF and STL Folder details Close
    • fb-threader-body.stl
    • fb-threader-cap.stl
    • measured.pdf
  • Publication date: 2021/07/25 at 01:04





Issue with this design? Report a problem

Best sellers of the category Tools

Add a comment

Would you like to support Cults?

You like Cults and you want to help us continue the adventure independently? Please note that we are a small team of 3 people, therefore it is very simple to support us to maintain the activity and create future developments. Here are 4 solutions accessible to all:

  • ADVERTISING: Disable your AdBlock banner blocker and click on our banner ads.

  • AFFILIATION: Make your purchases online by clicking on our affiliate links here Amazon or Aliexpress.

  • DONATE: If you want, you can make a donation via PayPal here.

  • WORD OF MOUTH: Invite your friends to come, discover the platform and the magnificent 3D files shared by the community!