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MattWynn
in reply to: pseebald

Hello @pseebald - wow there are a lot of people cutting signs with circular holes recently!

This is a known issue with large arcs on inside holes, we have a fix but getting it delivered to users is a slow process.

The issue is the large arc next to lines.  I would say add some tiny lines along the arc to break it up into arcs less than 90 degrees.
@engineguy recently found that changing corner mode to keep sharp corners helped , see Re: Troubles with CNC plasma cuttin my fusion design so you might have success with that.


Matt Wynn
Senior Manager, Software Development, Fusion Fabrication