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feat: improve bed leveling precision and speed #2

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Commits on Feb 5, 2023

  1. feat: improve bed leveling precision and speed

    This significantly improves the ABL algorithm by enabling multiple Z-probing.
    The default ABL routine only uses one probe, so it has to be slow to be
    accurate. By turning on the multiple Z-probing feature, machine speed limits
    during probing can be increased without losing accuracy. These changes
    increase XY moves during Z-probing to 300 mm/sec, and Z probe speed to 12mm/sec
    during fast probe and 6mm/sec during slow probe.
    
    NOTE: Maximum Z movement speed under machine limits was increasted to 10. This
    should be safe, because it's the same as what some other i3-like printers use,
    but please test if this is ok on Neptune 3 Pro.
    kellertk committed Feb 5, 2023
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