CoreXY Top & Bottom Solid layer overhang



  • Hey guys so I am driving myself crazy trying to solve this.

    When printing the 20mm calibration cube everything goes perfect except the start and end.

    FYI: The warping is from the macro camera lens I put on my phone to take the picture, the print is perfectly square.

    The top and bottom solid layers are always wider than the rest of the print.

    • Height: 20.01

    • Width: 20.05

    • Height: 20.01

    Simplify 3D Settings
    https://imgur.com/a/j4CMt


    [[language]]
    ; General preferences
    M111 S0 ; Debugging off
    G21 ; Work in millimetres
    G90 ; Send absolute coordinates...
    M83 ; ...but relative extruder moves
    M555 P2 ; Set firmware compatibility to look like Marlin
    
    M667 S1 ; Select CoreXY mode
    M208 X0 Y0 Z0 S1 ; Set axis minima
    M208 X300 Y275 Z300 S0 ; Set axis maxima
    
    ; Endstops
    M574 X1 Y2 Z2 S0 ; Define active low and unused microswitches
    M558 P1 X0 Y0 Z0 H5 F120 T6000 ; Set Z probe type to switch, the axes for which it is used and the probe + travel speeds
    G31 P600 X0 Y0 Z300 ; Set Z probe trigger value, offset and trigger height
    
    ; Drives
    M569 P0 S0 ; Drive 0 goes forwards
    M569 P1 S0 ; Drive 1 goes forwards
    M569 P2 S0 ; Drive 2 goes forwards
    M569 P3 S1 ; Drive 3 goes forwards
    M350 X16 Y16 Z16 E16 I0 ; Configure microstepping without interpolation
    M92 X99.9814 Y99.9814 Z1600 E151 ; Set steps per mm
    M566 X900 Y900 Z12 E120 ; Set maximum instantaneous speed changes (mm/min)
    M203 X6000 Y6000 Z180 E1200 ; Set maximum speeds (mm/min)
    M201 X500 Y500 Z250 E250 ; Set accelerations (mm/s^2)
    M906 X800 Y800 Z800 E800 I30 ; Set motor currents (mA) and motor idle factor in per cent
    M84 S30 ; Set idle timeout
    
    ; Heater PID Tuning
    M307 H0 A163.8 C660.0 D5.9 S1.00 B0
    M307 H1 A410.9 C206.2 D5.6 S1.00 B0
    
    ; Heaters
    M143 S280 ; Set maximum heater temperature to 260C
    M301 H0 S1.00 P10 I0.1 D200 T0.4 W180 B30 ; Use PID on bed heater (may require further tuning)
    M305 P0 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 0
    M305 P1 T100000 B4719 C7.08e-8 R4700 ; Set thermistor + ADC parameters for heater 1
    
    ; Tools
    M563 P0 D0 H1 ; Define tool 0
    G10 P0 X0 Y0 ; Set tool 0 axis offsets
    G10 P0 R0 S0 ; Set initial tool 0 active and standby temperatures to 0C
    
    ; Network
    M550 PPlexDuet ; Set machine name
    M552 P0.0.0.0 S1 ; Enable network and acquire dynamic address via DHCP
    
    ; Fans
    M106 P0 S0.3 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
    M106 P1 S1 I0 F500 H T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
    M106 P2 S1 I0 F500 H T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on
    
    

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