Prusa 3 Dual Extruder upgrade kit
thingiverse
This initial series upgrade features modifications in the Prusa 3, including a redesigned extruder and carriage that accommodate both direct and Bowden hotends. All files are modeled using Inventor and included for modification within a compressed file, along with STLs for direct printing. The x-carriage supports two hotends, although photos display only one mounted. A complete direct extruder and Bowden support are provided on the carriage, fastened by M4x65 or M4x70 threaded rods. Fan duct concentrates air flow in both hotends' printing areas. Lateral tabs fix motor screws and M4 nuts are used for stronger unions. The assembly is compatible with JHead hotends and includes an alternative support, CatNozzle Bowden mount, for adjustable combinations of JHead and Catnozzle hotends.
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