Is this 3D model free to download?

Yes, Ender 3 - Ender 3 Pro Side Mounted Spool Holder is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by BoothyBoothy, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Ender 3 - Ender 3 Pro Side Mounted Spool Holder

Source: Thingiverse by BoothyBoothy

The Ender 3 - Ender 3 Pro Side Mounted Spool Holder is a free printable 3D model from Thingiverse by BoothyBoothy. There is a newer version of this thing which prints faster and is easier to assemble at this link: There is a Remix\Alternative Version of this thing here: Update:07\01\20. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

16,192 saves Source: Thingiverse Updated 2026-09-04

Tags: Ender, 3, -, Ender, 3, Pro, Side, Mounted, Spool, Holder

About this model

There is a newer version of this thing which prints faster and is easier to assemble at this link: There is a Remix\Alternative Version of this thing here: Update:07\01\20 Uploaded a variation (E3_Spool Holder_V2) with extended fixing slots to allow the part base to be set flush with the bottom of the extrusion and therefore facilitate the integration of an Ender 3 foot on the spool holder. This version is untested so please treat as WIP. I wanted a spool holder that was connected\fixed to the printer, side mounted that did not put strain \vibration on the frame. I therefore knocked this up for my latest Ender 3 Pro. I admit this may be slightly over engineered but I wanted something that was robust and would last. Apologies in advance if there is a similar thing uploaded\published that I …

Frequently asked questions

Is this 3D model free to download?: Yes. Ender 3 - Ender 3 Pro Side Mounted Spool Holder is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by BoothyBoothy.
Who made this model?: Designed by BoothyBoothy, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.