SharkD wrote:

> #declare Blob_threshold = 0.5;
> #declare Blob_start = 1;
> #declare fn_A = function { pow(x+Scene_scale/2,2) + pow(y+Scene_scale/2,2) +
> pow(z+Scene_scale/2,2) - pow(Scene_scale,2) };
> #declare fn_B = function { pow(x-Scene_scale/2,2) + pow(y-Scene_scale/2,2) +
> pow(z-Scene_scale/2,2) - pow(Scene_scale,2) };
> #declare fn_C = function { Blob_start + Blob_threshold }


Shouldn't this be something like:

#declare fn_A =
   function {
     pow(x/Scene_scale+1/2,2) +
     pow(y/Scene_scale+1/2,2) +
     pow(z/Scene_scale+1/2,2) -
     1 };

etc?

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