> Are there parametric equivalents to the implicit metaball functions found here:
>
>
http://www.geogebra.org/en/upload/files/english/Michael_Horvath/Metaballs/geogebra_metaballs.htm
>
> I would like to plot random points withing the curves/surfaces.

You could use the original equations in an isosurface object and then 
use trace to find points on the surface. Would that do what you want?

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