Is this 3D model free to download?

Yes, Prusa i3 Improved for laser cut 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 twelvepro, 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 Improved for laser cut 3D printable model by twelvepro

Prusa i3 Improved for laser cut

Source: Thingiverse by twelvepro

The Prusa i3 Improved for laser cut is a free printable 3D model from Thingiverse by twelvepro. We found latest Prusa i3 printer design, the one Josef Prusa showed at Makerfaire this year in New York, for its elegant simplicity, but hinge like connection between Y axis. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,915 saves Source: Thingiverse Updated 2026-10-29 License: GPL · commercial OK 27 makes Category: 3D Printer

Tags: 3D, 3d printer, easy to build 3d printer, laser, lasercut, laser cut, mendel, new 3d printer, prusa, prusa i3, Prusa itteration 3, reprap, the best 3d printer, twelvepro, twelveprocom

About this model

We found latest Prusa i3 printer design, the one Josef Prusa showed at Makerfaire this year in New York, for its elegant simplicity, but hinge like connection between Y axis assembly and frame needed improvement, in our opinion. Using CAD software we reworked Prusa i3 design: - Laser cut frame was stiffen by adding two angle members connected to the rear side of Y axis assembly. - Original, printed Z Axis mounting parts proven to be easy to break, which is why we replaced them with stronger laser cut parts. - We did not like loose ends on Z Axis lead screw (similar to Printrbot design), therefore we added miniature flanged ball bearing on each side, to support lead screws on the top. - All printed plastic parts were slightly changed, we felt that we should give them additional strength and…

Frequently asked questions

Is this 3D model free to download?: Yes. Prusa i3 Improved for laser cut 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 twelvepro.
Who made this model?: Designed by twelvepro, 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.