Step 1: Order a BMG Dual Driver Extruder
If you want to save up a few bucks, order a BMG without motor, you can use the stock one.
Step 9: Marlin FW modification
BMG is a geared extruder with a ratio of 3:1.
Stock extruder has a 1:1 gear ratio.
This means that you will need 3x more steps to extrude the same amount of filament as with the stock extruder.
Read the actual step values:
You can send M501 command to restore and view settings.
After extruder calibration you should calibrate material flow.It is possible that without flow calibration you printer will be over extruding and your print quality will be bad.You can easily modify it in your slicer, such as Cura. 1. Download cube stl file Click on the picture and download a 25*25*25 mm cube. 2. Slice it
1. Preparation 1.1. Heat up the nozzle Start by heating up the nozzle to your printing temperature PLA 190°C, PETG 230°C, ABS/ASA 250°C 1.2. Retract filament Push the extruder calipers and retract filament from bowden with the other hand 1.3. Bowden removal Press the bowden coupler and remove the bowden 1.5. Insert filament Cut the