Le 10/12/2015 01:32, clipka a écrit :
> Also, Jerome Grimbert has developed a patched version of POV-Ray that
> seems to be able to tesselate (i.e. generate meshes from) arbitrary
> POV-Ray objects, and can export them at least in STL format, which
> should be convertible to .obj using some external converter.

Mesh can also be saved (in that same patched version) in gts format.
(and it loads gts too, but not stl)

It is not arbitrary POV-Ray objects, only 3D finite objects:
  * most methods need an interior
  * you cannot make a mesh of povray plane or hyperboloid.
  * but you can make mesh of intersection of planes, if the intersection 
is 3D finite and has a non-infinite bounding box.
  * 2D finite objects are not expected (triangle, disc...)

There are 6 tesselation methods... none are perfect (in fact, 2 
categories, with 2 & 4 variants). And sometime, it seems there is a bit 
of problem like long triangles jumping in the shape.

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