Is this 3D model free to download?

Yes, PSU replacing Frame brace for Original Prusa i3 MK3 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 mikolaszuza, 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.

PSU replacing Frame brace for Original Prusa i3 MK3 3D printable model by mikolaszuza

PSU replacing Frame brace for Original Prusa i3 MK3 photo 1

PSU replacing Frame brace for Original Prusa i3 MK3 photo 2

PSU replacing Frame brace for Original Prusa i3 MK3

Source: Thingiverse by mikolaszuza

The PSU replacing Frame brace for Original Prusa i3 MK3 is a free printable 3D model from Thingiverse by mikolaszuza. If you remove the PSU from the frame of the Original Prusa i3 MK3 (for example because you want to have the PSU outside of an enclosure) you can replace it with this brace to. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,850 saves Source: Thingiverse Updated 2026-10-10 License: GPL · commercial OK 12 makes Category: 3D Printer

Tags: brace, frame, mk3, Original Prusa I3, prusa, prusa i3, prusa i3 mk3, PSU brace

About this model

If you remove the PSU from the frame of the Original Prusa i3 MK3 (for example because you want to have the PSU outside of an enclosure) you can replace it with this brace to keep the frame rigid. You can see it's usage in this video: Print from a rigid (so not flexible) material. PLA will work just fine.

Frequently asked questions

Is this 3D model free to download?: Yes. PSU replacing Frame brace for Original Prusa i3 MK3 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 mikolaszuza.
Who made this model?: Designed by mikolaszuza, 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.