Well i am really glad now I said I was not sure just teasing thanks for chiming in LuxXeon taking a look at the link myself and Wow looks like something truly challenging to try 

I'm actually quite surprised, after reviewing the technique they have laid out at Blender Sushi, just how easily something like this can be done in Blender.  The trick is the Fracture tool, and choosing a fracture type which will correspond with the Voronoi style you're trying to achieve.  The elegance in combining the skin modifier with smoothing is impressive though, and a great way to achieve the interwoven, internal framework. It's understandable to immediately think of Topmod when it comes to shapes like this; it was used heavily early on in the evolution of 3d printing because of it's dual-manifold, water-tight modeling functions.  Topmod was used often in symmetrical math modeling because of it's unique ability to create beautifully curved bridge connections between faces, using a very clever Hermite curve shape interpolation feature, which isn't found in any other software I now of.  All of this considered, however, Topmod is a very old, outdated, and highly specialized application  While Topmod can do some wonderful curved bridge operations, it's painfully slow at other common modeling tasks, and its strengths in maintaining watertight geometry can actually become a weakness, making it very impractical for 99% of the most common modeling requirements.  Even the re-meshing functions it's widely known for, which can help the user create unique topology patterns in the mesh, can be done through the combination of certain modifiers in software like Blender or 3dsmax.  I actually consider Wings3d to be a more complete manifold modeling package, with a vastly wider range of tools and practical capabilities.  That said, it should be known that there's very few things, if any at all, which Topmod can do beyond the scope of Blender, or any advanced polygonal modeling package, just the same.

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