4 MAX PRO Ultimate upgrade

thingiverse

Complete Assembly and Description Guide in PDF Format. Important Notes: Custom supports are required for printing the "bottom carriage" and "E3D fan duct." Shopping List: 1. M4 25mm wood bolt (1 piece) * 10mm M3 screws: 3 pieces * 20mm M3 screws: 2 pieces * 25mm M3 screws: 4 pieces * 30mm M3 screws: 5 pieces * 35mm M3 screw: 1 piece * Self-locking nuts (M3): 13 pieces * M2.5 wood screw * Linear bearings LMU8 (good quality, personally recommend MISUMI) * BMG dual drive right side extruder (triangle labs clone works well) * E3D direct v6 radiator (cheapest aliexpress clone is a good option) * Full metal heatbreak (use cheapest aliexpress clone) * Good quality heat block (use Triangle Labs' stainless steel 0.4mm nozzle for best results) * Two-part epoxy adhesive * Thermal grease * Dry chain lube * ABS filament (about 200g) * PETG filament (about 200g) Parts to Print: 1. Bottom carriage (ABS) 2. Top carriage (ABS/PET-G) 3. Fan duct (ABS) 4. E3D duct (ABS/PET-G) 5. Cable chain beginning (ABS) - download from Thingiverse 6. Cable chain ending (ABS) - download from Thingiverse 7. Short chain links (ABS) - download 16 pieces from Thingiverse 8. Long chain links (ABS) - download 4 pieces from Thingiverse Software Modification: Visit GitHub for Poket-Jony's Marlin-A4MaxPro-2.0.x fork to modify your firmware. In configuration.h, change #define E_ENABLE_ON 0 to #define E_ENABLE_ON 1. Working Carriage Video: Watch the new carriage in action on YouTube at https://youtu.be/nWmKz1YIOFY