Circles engrave or cut as squares

Problem:

Circles and circular shapes are cut / engraved as squares.

 

Cause:

A GRBL parameter for the 'arc tolerance' has been changed.

Default value is $12=0.002 

Possible incorrect value is $12=0.000

 

Solution:

Set the GRBL parameter to the default value:

$12=0.002

This can be done by manually entering the command via Ultimate GCode Sender.

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