Jan Walzer wrote:
> 
> I'm trying, to play a bit with meshes ...
> I build a sphere with a rekursive tesselation ...
> so far a OK
> 
> Next step was to add some noise to the surface...
> I decided to add the value of the bozo ...
> but now, the triangles no longer fit together ...
> 
> Where did I mix up the wrong variables ?

Trying to provide some light...

you should experiment with

#declare Fn=function {
        0.2
    }

And see the resulting image.
The problem does not come from the bozo,
nor from precision loss.

I Hope this could help.

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