Generate retract points
Generate retracts points
In that case, when the tool is in the minimum Z, it makes first of all a XY lead out with feed rate along a direction where the material was first removed.
To create this XY movement, a check is made according to the state of the stock at each pass.
Finally a Z lead out is done in rapid mode.
In that case, no XY lead out movement is realized. The Z lead out movement in rapid mode is directly made.
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