Hi sneather,
> There is still some weird line data in the new piece I arrived at, but the surface itself looks perfect,
> and if it looks that way once it gets into C4D, then that problem is solved!
If the boundary has got gaps in it like it did here sometimes you may also need to draw in some additional curves and also include those when doing the trimming, in order to make a better formed boundary, check out above for how that looks.
> P.S. I forgot. One other question. The scale tat which these products are importing is tiny. When I
> receive the same kinds of product CAD from one of their affiliates who use ProE, the files seem to
> import accurately at 1:1 in MOI. The NX guys are using inches, but would that account for such a
> massive discrepancy?
Hmmm, I don't really know what would cause this, other than if they're actually modeling things at a tiny scale in NX to start with. If they are doing that it could also explain some of the trim curve problems as well because gaps like the one shown here can sort of be treated as ok (and not refined further or calculated to higher accuracy or things like that) if they're at a very small size.
> Is there something which I should be doing in MOI to counteract that?
Well, you can scale the model, either click on the size line in the properties panel in the upper-right area of the window, or use the Transform > Scale command to scale things up.
But if model data itself happens to be tiny then it will come into MoI tiny initially as well.
You might try testing the STEP file with other programs too, to see if the tiny size is indeed just how the file is set up or whether there is something going on with MoI in particular.
It's hard for me to know for sure what's going on with that without being able to look at the actual STEP file.
- Michael
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