CKN_3DP 3DP by marlin Firmware : Marlin 1.1.4 ramps 1.6 Arduino mega 2560 XYZ X_Max : 120mm Y_Max : 200mm Z_Max : 170mm Stepper motor driver X : TMC2100 (256 microsteps) Y : TMC2100 (256 microsteps) Z : DRV8825 (32 microsteps) E : A4988 (16 microsteps)