Skip to content

Bear Upgrade 2.1.0
Compare
Choose a tag to compare
@github-actions github-actions released this 22 Aug 13:08
2.1.0
64fd53f

Bear 2.1 Features

  • Compatible with Original Prusa i3 MK2(S), MK2.5(S) and MK3(S)
  • Reuse of as many parts as possible
  • Sturdy frame for faster printing
  • Improved accuracy
  • Reduced noise level
  • Easy to use and maintain
  • Built to last
  • High quality aluminum extrusions
  • Custom, sturdier t-nuts
  • Nicer, sturdier M5 screws
  • Precisely engineered printed parts
  • Thoroughly tested development
  • Highly customisable
  • Detailed documentation via guides.bear-lab.com
  • Active and open minded community
  • Truly open source

Improvements (since Bear 2.1.0-rc1)

  • New custom, sturdier t-nuts
  • Improved documentation
  • Better cable management for short cables
  • Larger feet to accommodate felt pads
  • New shape for build_helper_z to help during assembly
  • Increase tolerance of z_leadscrew_cap
  • Add STEP files
  • Simplify print settings
  • Convert Original Prusa SCAD files to STEP files
  • Automatic build of the release and asset files
  • Reorganization of the repository's structure

Bug fixes

  • [Full upgrade MK2s/2.5/3] Improve building guide #44
  • Suggestion for micro alignment of the Y axis rods #48
  • Manual improvements #49
  • Step 12.1 Could use a warning about Z motor cable lengths #53
  • add preflight check and disassembly as the first step in the assembly guide #64
  • ensure that all pulleys are tight #65
  • New 2.1 assembly manual #101
  • Rod length issue with ver 2.1 and mk2 optional build parts #106

Compatibility

This Bear Frame Upgrade 2.1 is compatible with the Full Bear Frame Upgrade 2.0 MK3 frame. If you do not know which frame you have please check our FAQ here.

💡 If you have a Full Bear Frame Upgrade 2.0 MK2S or MK2.5 frame you can find compatible parts in the optional parts section.

⚠️ The new Y and Z axis are not compatible with any of the existing Prusa or Bear 2.0 parts. You have to update all parts from Bear 2.1.

How to upgrade

From Bear 2.0

Reprint all parts and follow the assembly guide.

From Bear 2.1.0-rc1

It is not necessary to update your printed parts but if you really want to get latest improvements you can reprint those:

  • foot
  • z_leadscrew_cap
  • cable_clip_horizontal
  • cable_clip_vertical

Download printed parts

Check the assets at the end of the release note.

Documentation

Special thank you

  • Thank you Jason from LDO Motors for the quality manufacturing and relationship.
  • Thank you to all my Patreon's for their precious support.
  • Thank you to Bendix Sørensen, David Ogles, Florian Däubler, Nathan Denkin, Orlando from All3DMakers, Sleene, Termlimit, Josh Jones and Stefan Maue for helping me with development, translation and support to the community.
  • Thank you to all official distributors for taking care of the kits and customers.
  • Thank you to everybody in the community for making it so good.
  • Thank you for making the community alive with all your comments, issues, pull requests, optional parts, make, pictures, etc.
Assets 6
Loading