Is this 3D model free to download?

Yes, Prusa i3 Bear Upgrade v2.0 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 pekcitron, 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 Bear Upgrade v2.0 3D printable model by pekcitron

Prusa i3 Bear Upgrade v2.0

Source: Thingiverse by pekcitron

The Prusa i3 Bear Upgrade v2.0 is a free printable 3D model from Thingiverse by pekcitron. /!\ A NEW VERSION HAS BEEN RELEASED /!\ Bear Frame 2.1 has been released and all informations are available here: You can find all printed parts and print settings here: ------. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

2,629 saves Source: Thingiverse Updated 2026-10-26 License: GPL · commercial OK 114 makes Category: 3D Printer

Tags: frame, haribo, haribo 3030, openbuilds, Prusai3, prusa i3, prusa i3 bear upgrade, prusa i3 mk2, prusa i3 mk2s, prusa i3 mk3, prusa mod, prusa upgrade, vslot, zaribo

About this model

/!\ A NEW VERSION HAS BEEN RELEASED /!\ Bear Frame 2.1 has been released and all informations are available here: You can find all printed parts and print settings here: ------ ------ ------ Introduction The Bear Upgrade replaces the original Prusa i3 MK2(S), MK2.5(S) and MK3(S) frame with a more rigid and reliable solution. It allows faster prints, increases precision, makes maintenance easier and opens the door to more customization. Plus it looks unique with our coloured frames! Why another conversion build? Here are the features that explain why I decided to create another printer upgrade. * Use as much as possible original parts (no need to print a new RAMBo cover nor change any cable, rods or firmware) * Compatible with MK2, MK2s MK2.5 and MK3 * Let user choose between two versions :…

Frequently asked questions

Is this 3D model free to download?: Yes. Prusa i3 Bear Upgrade v2.0 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 pekcitron.
Who made this model?: Designed by pekcitron, 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.