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Old 09-21-2011, 01:44 PM
rotanadan rotanadan is offline
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Join Date: Nov 2005
Posts: 4
Some objects importing with strange donuts

Like in the image.

When I try to delete the donut type thing, it will erase one of the faces I need on my object. Any ideas? STEP coming out of Solidworks.

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Old 09-26-2011, 01:45 PM
rotanadan rotanadan is offline
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Join Date: Nov 2005
Posts: 4
Importing the step into rhino and saving back out cleans up these artifacts, does anyone out there know what is causing them?
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Old 10-07-2011, 02:23 PM
nPower_erik nPower_erik is offline
Join Date: Jan 2009
Posts: 68
Step Import Issues

Hey Rotanadan,

I apologize for the delay in getting back to you. For some reason our email forwarding didn't work for this post.

Anyways, the "donut" you speak of is probably a torus that has been trimmed wrong. In this case, it sounds like we had an error reading the orientation in the surface or inserting a seam, and in the process, ended up trimming the wrong side of the surface.

It is something that we could probably fix. Can you send me the model?erik@npowersoftware.com

Sometimes, bringing the model into another CAD system and exporting again will work. In your case, it seems that we like the Rhino exported data a little more than Solidworks. Sometimes that will work and others maybe not so much.

Regardless, we would be happy to take a look.

Sorry again for the delay.

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