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# 1 27-08-2004 , 12:47 AM
Registered User
Join Date: Aug 2004
Posts: 1

How to select and remove double polygons

Hi,

I have imported a file from a CAD system and unfortunately it has on nearly (not all) every polygon a second one with a reversed normal. When I render it I get these Z-buffer related glitches. I tried to combine them and merged vertices with a small value but had no luck.

Can anybody help me with selecting and removing these superflues polygons?
I think it is pretty easy... but don't know how to do that! *arrgh* user added image

Thanks!

Holger