SeeSchloss wrote:
>But... how can you find how to make such isosurfaces ??

 A lot of tries... A great number of faults...
 Actually, I always start modeling of isosurface objects from the sphere.
 x*x+y*y+z*z-1
 then deform it with some functions, for example, add
 1/(x*x+z*z+.1) to get funnel-shaped hole and so on.
 Try everything.
 The heart took 3 days to model...

 In next posts I'll put some more isosurface examples.

 Sincerely Yours, Alex Kluchikov.

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