vidi (4/22/2015)
I think you modeled this with ngons
ngons are faces with more than 4 vertices.
ngons are bad, because if you export your model to iClone, it tringulate your mesh. 3D xchange or another Apps trangulate every ngons randomnicly, therfore are the results unexpectedly..
The solution would be, try moddling in quads and before export trangulate your modell already in blender.
Also check the smoothing parameter (shortcut "O" in 3dXchange), for hard (edges) surfaces you don't set too high.yeah the bottom was an ngon with the face flipped away from him so in textured mode it looked like there was nothing there. Then it got exported into the exchange and it triangulated the ngon and well did that.
In order to make an empty hole he needed to delete the ngon. IN blender there is a feature to create a cylindar you can leave the ngon in or ask it to put in triangles in or tell it to leave the ends of the cylindar empty. In this case he chose the option to leave the Ngon in place.
He is also viewing it in textured mode and has single sided turned on inside blender so basically he thinks the ngon is not there, but it is there he just can't see it because he is looking through the back face which is insivible to him.
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Edited
9 Years Ago by
urbanlamb