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Question

I'm having a problem with wildfire 4.0 that I can't see a reason for. Perhaps someone has run into this before.

I have a cut which protrudes down to a surface. There is also alarge 'imported feature' that I am using as reference only. There is no parent-child relationships between the imported geom and the features that I am creating.I can open up the file and supress the imported geom with no problem. BUT, when I then (without doing anything else) resume the imported geom, the cut fails. The error message is just that "Could not extrude up to surface". The surface, or the cut aren't tied in any way to the imported geom - or are they? I don't see any reason why the cut would be ok until the (unrelated) imported geom is surpressed and then resumed. Any body have any ideas about what I am doing wrong?

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dgschaefer · Answer

Does the imported geometry dramatically change the size of your model
and does the cut create some small edges? If so, I bet it's relative
accuracy biting you. Relative accuracy sets the smallest allowable edge
based on a ratio of the model size. So, if your model changes size, the
smallest allowable edge changes size. Switch to absolute accuracy,
which directly sets the smallest allowable edge size.

Doug Schaefer

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