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Better start code with no z-leveling and purge line for 300x300 printbed

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  • Better start code with no z-leveling and purge line for 300x300 printbed

    I have an AnetET5pro and the original bed leveling is quite unprecise, getting worse over time.

    I have ordered a more precise probe leveling sensor and in the waiting time I worked out a better start code for Cura 4.11.
    The parts are now printed with more constistancy and I have a better workflow. Print without skirt line.

    You have to level the printbed manually before the first print and eventually every 4-5 prints, using my code

    Start G-Code
    Code:
    ; No bed leveling, with purge line
    ; for 300x300mm printbed
    ; I take no responsability if the apocalypse is triggered by this code
    ;-----------------------------------------------
    
    G91 ; go relative motion
    G1 Z20 F800 ; lift z by 20mm
    G90 ; back to normal motion
    G28 X Y ; Home only x and y
    G92 E0 ; reset extruder
    G1 Z2.0 F800.0 ; z 2mm to avoid scratches
    G1 X20 Y25 F1000.0 ;  move to start Purge Line
    G1 Z0.3 F1000 ; lower to z 0,3mm
    G1 X20 Y260.0 Z0.3 F1500.0 E25 ; first purge line (for different printbed sizes adjust Y260.0)
    G1 X25 Y260.0 Z0.3 F1500.0 E26;  short line to the right (for different printbed sizes adjust Y260.0)
    G1 X25 Y25 Z0.3 F1500.0 E51 ; 2nd, really fat purge line moving back
    G92 E0 ; reset Extruder
    G1 Z1.0 F2500 ; lift z 1mm
    
    ;ready to print the part
    End G-Code
    Code:
    M104 S0
    M140 S0
    G92 E0
    G1 E-10 F2000
    G28 X0 Y260
    ;M84 ;I disabled turning off the motors so the z coordinate stays the same
    Purge line on the left and finished part with brim:
    Click image for larger version  Name:	IMG_20211012_181343_0.jpg Views:	0 Size:	506.4 KB ID:	11848‚Äč
    Last edited by Erik; 10-12-2021, 03:53 PM.
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