Simple plugin to improve auto bed leveling, adding some conditions in order to minimize the number of ABLs triggered.

SmartABL

How it works?

The plugin reads G29* from *.gcode and check the bed mesh in memory.

• If mesh is updated, M429 S1 is sent in order to load bed mesh from memory.
• If mesh is outdated or doesn’t exist, G29* and M500 are sent in order to generate a new mesh and save it to eeprom, respectively.

  *: By default, the same ABL command read from your file is sent to the printer.

References:

• G29
• M420
• M500

Credits to Oscar for the idea.

Configuration

By default, SmartABL does not change the behaviour of the auto bed leveling. User must change default values in settings:

Settings panel

Leveling command

• Ignore gcode read from files and send a custom gcode instead. Default: disabled (G29).

Force bed leveling

• After # days. Default: disabled (1).
• After # prints. Default: disabled (5).
• If current print bed temperature is different from last print. Default: disabled.
• If current print hotend temperature is different from last print. Default: disabled.

Prints counter

• Take into account failed prints in the counter. Default: disabled (only successful prints increase the counter).

Side panel

• ABL Restricted: Normal behaviour, the plugin chooses when to trigger ABL based on your settings.

• ABL Always: Ignore settings; the plugin always trigger ABL. Handy when you need to force-update your mesh.

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