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Auto levelling grid - not square?

rljonesrljones
in Questions & Answers
I've just started looking at the auto leveling options.

G32 with "BED_LEVELING_METHOD 0" operates as expected, probing the 3 defined points.

But when I change to "BED_LEVELING_METHOD 1" the grid is not as shown in the documents, more like a parallelogram where X and Y get shifted in proportion upon each probe event. Basically my rear left corner and front right corner do not get probed?

Is there a setting I have wrong somewhere, I would have expected the probe would do a column of Y points, then index to the next X point?

Thanks,
Ray


Comments

  • MartinHMartinH
    sounds like incorrect X Y values in either P1 P2 or P3 probing locations, check the values stored in the eeprom.

  • rljonesrljones
    edited January 2018

    MartinH said:
    sounds like incorrect X Y values in either P1 P2 or P3 probing locations, check the values stored in the eeprom.

    Thanks Martin, right on the money.

    I had:
    P1 30,20
    P2 220,20
    P3 145, 220
    which was perfect for mode 0 as they were near the leveling points.

    I didn't realise that P3 was important for the grid! (obvious now in the diagram :-/ )
    Changing P3 to 30,220 makes mode 1 work as expected.

    Thanks again.
    Ray

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