Is this 3D model free to download?

Yes, Prusa i3 MK3 & MK3S LED Bars With Switch 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 BiscuitsOnTheFloor, 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.

Prusa i3 MK3 & MK3S LED Bars With Switch

Source: Thingiverse by BiscuitsOnTheFloor

The Prusa i3 MK3 & MK3S LED Bars With Switch is a free printable 3D model from Thingiverse by BiscuitsOnTheFloor. This is a mount for either 1 or 2 LED strips for your Prusa i3. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-08-30

Tags: Prusa, i3, MK3, &, MK3S, LED, Bars, With, Switch

About this model

This is a mount for either 1 or 2 LED strips for your Prusa i3. I didn't like that most of the existing desgns for this didn't take into account the extruder clearance at mac height, and may lacked fillets/chamfers to look nice. You can use this with the orignal spool holder (See pictures) but you should probably not use a frame mounted spool holder because they cause printing artifacts. STL files for all parts needed in one print are in the files as "Lazy Plate"

Frequently asked questions

Is this 3D model free to download?: Yes. Prusa i3 MK3 & MK3S LED Bars With Switch 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 BiscuitsOnTheFloor.
Who made this model?: Designed by BiscuitsOnTheFloor, 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.