Linear_X_kitV3.stl

1 downloads · 5 months ago · As of 2026-05-20 this has reached its final iteration. A simple bundle of Ender 3 Pro X carriage co

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Description

As of 2026-05-20 this has reached its final iteration.

A simple bundle of Ender 3 Pro X carriage conversion kit with the following perks:

Converts to Linear rail motion (MGN12H or C)
Uses an MK8 direct drive extruder with stock motor
Intended for TZ E3 (V2) hotend (but fits normal MK8 hotends if 24mm wide or less)
Has BL touch fitting on the side.
Dual 5020 Blower fan upgrade with air duct

Downsides currently known: Reduces the usable work area of the bed with around 10 mm

NOTE! Requires Unitak 3D X axis conversion kit Or optionally: https://than.gs/m/1493844

They're already orientated correctly, print with supports. General print settings: Print in functional preferably rigid filament: ABS, ABS-CF or equivalent 4-6 walls, 35% infill Use supports

V3.1: Final release 2026-05-20

4020 fan has been replaced by dual 5020 fans
Slight filament path adjustments for bowden tube
Improved tolerance for Linear rail mounting slots
Uses 5 mm outside diameter threaded inserts for additional strength
Thickened “belt holding forks”, PETG filaments were too flexible and could loose grip
Two fan ducts for the 5020 fans have been added
Added a pattern to the back for additional rigidity

V2: Released 21st Jan 2026