Is this 3D model free to download?

Yes, Prusa i3 MK3 Feet Smart Lock 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 Area51, 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 Feet Smart Lock

Source: Thingiverse by Area51

The Prusa i3 MK3 Feet Smart Lock is a free printable 3D model from Thingiverse by Area51. Got your MK3, but tiered of the rubber feet falls off every time you move it! No more! Just lock your rubber feet in place with this easy Smart Lock. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

41 saves Source: Thingiverse Updated 2026-10-06

Tags: Prusa, i3, MK3, Feet, Smart, Lock

About this model

Got your MK3, but tiered of the rubber feet falls off every time you move it! No more! Just lock your rubber feet in place with this easy Smart Lock. Installing: - No tools required! - Print four pairs of locks in your favorite filament. - No post print required, locks are ready to use. - Mount all rubber feet into extrusion as per MK3 instruction. - Follow instructions on photos to get the locks into place. Your feet is now secured. Uninstalling is easy too - Using the small slots in each lock part, pull the lock apart. You can use the Prusa plier with the tips in each slot and opening the plier to unlock. Don't forget, if you like it, please leave a like or a tip... :) Alternative: Print new feet in TPU or Flex, with this design

Frequently asked questions

Is this 3D model free to download?: Yes. Prusa i3 MK3 Feet Smart Lock 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 Area51.
Who made this model?: Designed by Area51, 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.