Bear Frame Upgrade 2.1 for Prusa i3 By Grégoire Saunier (Bear Lab) · Example build · 7 views · 0 remixes Rebuild an Original Prusa i3 MK2, MK2.5 or MK3 on a stiff 20 × 40 aluminium extrusion frame, reusing almost all of its parts 0SaveRemixCopy link Estimated parts costNo price seen yetDifficultyModerateParts12 parts · 119 pcs Start the assembly guide →