Hi Steve,
> What things have effect on Boolean function? (they
> seem to give me the most trouble.)
Stuff like self intersecting surfaces (surfaces that fold back over top of themselves) will definitely cause problems with booleans.
Can you post the 3DM model file of the new situation where you're having boolean problems again?
> is there anything to gain from separating a solid into it's
> surfaces and running the "shrinktrimmedsrf" function over them?
Not usually if the surfaces are not mangled in some way. It could be possible that some mangled piece of a surface could be discarded after doing ShrinkTrimmedSrf but unless you have badly formed surfaces in your model to begin with it won't really have any effect. It's better to avoid making those kinds of self intersecting surfaces in the first place.
Also if you do ShinkTrimmedSrf, you can do it to a full joined object, you don't actually need to separate into surfaces first.
> do the untrimmed points effect anything?
Not usually - it can be useful to have the original surfaces since you can then recover the full surface if you want to restore it later on. But if the full surface is quite large in size compared to the trimmed region that is actually active it can reduce the size of the model data if you do a ShrinkTrimmedSrf on something like that.
> is there a "tips" post I should be looking at?
Well, the forum is basically full of tips and answered questions for all sorts of different models that people have worked on before. But a lot of times problems are pretty specific to something in your particular model.
- Michael
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