Dual material Y joiner remix

cults3d

This is a remix from Zemistr's design. I made this to accept 7mm threaded bowden connectors instead of 10mm Successfully tested on my Ender 3 with the genuine hot end. No jams nor stringing at all Retraction set to 7mm at 25mm/s Use relative extrusion Zhop 1mm at layer change. the filament loads on the side of the prime tower to avoid oozing. Here are the scripts I use in Cura. The filament parking distance is 140 mm. TODO : add threads and a LED behind to monitor the filament's position through the Y ; Ender 3 Custom Start G-code ; assuming start condition with both filaments retracted at 140 mm ; loads filament 2 the 1 as the print starts with T0 M140 S{material_bed_temperature_layer_0} ; Set Heat Bed temperature M190 S{material_bed_temperature_layer_0} ; Wait for Heat Bed temperature M104 S160; start warming extruder to 160 G28 ; Home all axes M117 Nivellement Auto GO ! G29 ; Auto bed-level (BL-Touch) M117 loading filament 2 T1 ;extruder 2 M104 S{material_print_temperature_layer_0} ; Set Extruder temperature M109 S{material_print_temperature_layer_0} ; Wait for Extruder temperature G92 E0 T1 ; Reset Extruder G91 G1 E140 ; load filament G90 G92 E0 T1 G1 Z1.0 F3000 ; move z up little to prevent scratching of surface G1 X0.1 Y20 Z0.3 F5000.0 ; move to start-line position G1 X0.1 Y200.0 Z0.3 F1500.0 E15 ; draw 1st line G1 X0.5 Y200.0 Z0.3 F5000.0 ; move to side a little G1 X0.5 Y20 Z0.3 F1500.0 E30 ; draw 2nd line G91 G1 E-140 ; unload filament 2 G90 G92 E0 T1 M117 loading filament 1 T0 ; extrudeur 2 G92 E0 T0; Reset Extruder G91 G1 E140 ;load filament 2 G90 G92 E0 T0 ; code here to load filament on extruder 2 G1 Z1.0 F3000 ; move z up little to prevent scratching of surface G1 X0.9 Y20 Z0.3 F5000.0 ; move to start-line position G1 X0.9 Y200.0 Z0.3 F1500.0 E15 ; draw 3rd line G1 X01.3 Y200.0 Z0.3 F5000.0 ; move to side a little G1 X01.3 Y20 Z0.3 F1500.0 E30 ; draw 4th line G1 Z1.0 F3000 ; move z up little to prevent scratching of surface G92 E0 ; reset extruder G91 G1 E-140 ;unload filament 2 G90 G92 E0 T0; reset extruder T0 M117 start printing ; End of custom start GCode End Gcode : G91 ;Relative positioning G1 E-2 F2700 ;Retract a bit G1 E-2 Z0.2 F2400 ;Retract and raise Z G1 X5 Y5 F3000 ;Wipe out G1 Z10 ;Raise Z more G91 G1 E-140 F3500 ; unload filament G90 ;Absolute positionning ; start extruder E0 csutom Gcode G92 T0 E0 ; reset extruder G91 G1 T0 E140 F3500 ; load filament G90 G92 T0 E0 ; end extruder E0 custom Gcode G92 E0 T0 G91 G1 T0 E-140 F3500 ; unload filament G90 G92 E0 T0 G0 X{prime_tower_position_x} Y{prime_tower_position_y} ; start extruder E1 csutom Gcode G92 T1 E0 ; reset extruder G91 G1 T1 E140 F3500 ; load filament G90 G92 T1 E0 ; end extruder E1 custom Gcode G92 E0 T1 G91 G1 T1 E-140 F3500; unload filament G90 G92 E0 T1 G0 X{prime_tower_position_x} Y{prime_tower_position_y}