Hello, in some thread a while ago, it came out that mesh for Poser and mesh for Carrara might behave differently when smoothing is applied.

For some architectural model I now come across some scenarios where I'm not sure if they will behave well in Poser. I'm talking about edges which share some segments, one ends where the other one continues. The result is a mesh which, if deformed, would leave cracks in the surface.
(See red circles).
The alternative would be to split the other edge, introducing more faces, and also introducing non-quad faces (which showed bad behaviour with smoothing in blender, and also did not perform well when bevelling the edges).
(See blue circle).

Seems I have to select one of the bad alternatives - but which one is better? Or is there a thrid option to solve this?

Best regards,
   Michael

The most important thing is to split all n-gons into quads or triangles. Poser cannot
handle n-gons well at all. If you don't know, a n-gon is a polygon (face) with more than
4 vertices (points). I have less of a problem with Poser smoothing id I set the crease
angle to 39. It seems to get rid of most smoothing issues. Hope that helps.

Eric

I will detach but not move these from the model and import it separately into poser.

I will also try triangulating the whole model. Im no expert but this is how i do it.

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I wouldn't triangulate the whole mesh - the polycount will increase greatly - but I would fix edges where there are unconnected vertices.  I found these give more trouble than anything and can make a face fly out of the mesh in an unexpected direction.  N-gons aren't necessarily bad, as long as all the verts are connected.  The worst problem is when they aren't planar but even a 4 sided poly can be non planar. 

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Hello, yes, option 1 is bad because it shows not a smooth surface in Poser, although the normals are aligned. The image for option 1 would not be n-gons, but more or less independent faces.

 

With triangulation of the respective parts, the Poser render looks much better. 

Still, the triangles are a problem for most areas when I want to do bevelling.

I found a solution for some areas, as long as the triangles connect to corners.

Best regards,
  Michael
 

Bevel first, triangulate only as last step.

Quote - Bevel first, triangulate only as last step.

+1

Do everything you want to do, then quadralate or triangulate...

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Poser will handle n-gons as long as they are not concave   You can avoid Poser smoothing by disconnecting polygons , like the endcap of a cylinder.  Select it , cut it , and paste it back without welding vertices.

Beveling assumes your object was modeled using quads.  The stair steps can be a separate object from the stair walls.  Easier to model/manage.

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Is that Blender you are using?  Blender doesn't support n-gons, the f-gon option is Fake n-gons, it just hides edges.  Beveling in Blender will often need some clean-up, and you should never try to bevel to many edges at one time.

Having attempted this mesh (Escher's Relativity) Ya get props for making the @#$ ^&$% steps line up (drove me 'bout crazy...;)

And if you can get the edges not to smooth over, I will be eager to find out why...

I wish I'd said that.. The Staircase Wit

anahl nathrak uth vas betude doth yel dyenvey..;)

Having attempted this mesh (Escher's Relativity) Ya get props for making the @#$ ^&$% steps line up (drove me 'bout crazy...;)

And if you can get the edges not to smooth over, I will be eager to find out why...

I wish I'd said that.. The Staircase Wit

anahl nathrak uth vas betude doth yel dyenvey..;)