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Hi tommyscustomshop,

 

Having taken a closer look at the file, another colleague and myself both believe the heart of this problem is that a change was made to allow the toolpath to 'touch' an avoid surface with a clearance of 0 on it. This can have the undesirable consequence that on vertical walls in 3-axis, the toolpath sometimes spills over. However, unfortunately, if we return to the previous way of internally defining a small avoid tolerance, there are other common and fairly simple cases that go wrong. We do not yet have a solution that solves both cases.

 

To overcome the waterfall effect, add a tolerance or fraction of tolerance sized avoid clearance on your model surfaces. Adding 0.0002 inch avoid clearance gave me the following result.

tessacolledge_0-1731575022232.pngtessacolledge_1-1731575078413.png

 

 

I hope this helps you overcome some of these challenges. We have taken notice of the fact that you find the waterfall on vertical walls problem significant, and that the lack of a simple workflow to select a small number of machine surfaces is undesirable. We generally allow feedback like this to direct our decision making processes, so thank you for engaging with us. 

 

All the best,
Tessa Colledge



Tessa Colledge

Senior Software Engineer