Release Note 0.6.0-alpha

• Moved the X pulley closer to the X motor to prevent the motor shaft from being bent.
• Improved the X end idler mount to accommodate a misaligned belt and larger idler pulley.
• Increased the stiffness of X end idler mount, however it now requires a 15mm to 15.8mm long dowel pin replacing 14mm pins.
• Improved nut pocket holes.
• Improved selective infill on both X ends.
• Improved fitting of idler mount in the X end idler to ensure best possible alignment.
• This new version is compatible with the previous one (0.50-alpha).

• Greatly improved hotend cooling. The cooling fan has been moved and exhaust has been opened.
• Reworked the filament sensor pocket and cover:
  • Improved filament path to ease insertion.
  • Improved protection of the laser sensor.
  • Moved the cover screws to allow a more compact reverse bowden setup.
  • Added light leak protection.
  • Adjusted clearances.
• Reworked the belt clamps on X carriage to eliminate belt slipping.
• Simplified removal of the X carriage back bottom.
• Improved screw holes on the X carriage back.
• Improved spring tension of the extruder idler

• Reduced the size of filament sensor cover for reverse bowden setup.
• Allow the use of drop-in tee-nuts with the reverse bowden v-slot mounts.
• Updated the BOM for the extruder idler with bearing to use a dowel pin instead of Bondtech shaft.

• Improved BOM, description and images.
• Now on Thingiverse!
• Switch to semantic versioning: semver.org.

• #17 Centered mounting hole to hold X carriage and exturder body is off by 0.2mm bug.
• #18 Hex nut pocket for POM nut is not tight enough.
• #19 Try to find a way to not have the shroud's hex nut falling down.
• #21 Unable to remove filament from bowden cover when filament sensor kick it because it is the end of the filament.
• #22 Quick assembly image is showing GT2 instead of 2GT.

This extruder and x-ends are matched to each other and cannot be used separately. As a unit, they are completely compatible with stock Prusa MK2.5, MK3, Bear Upgraded MK2.5, and Bear Upgraded MK3.

Unfortunately, all parts have changed and need to be re-printed.

• To Matthew Humphrey for helping me to improve hotend cooling
• To Nathan, he is preparing an awesome assembly guide!
• To Bear upgrade FB community for your support and help!
• To "The 602 Wasteland" community for your support and help!