Been using it for a few years, the new version has a much better UI then version 1 and some great new features, there are a few images with topmod stuff in my gallery, alongside another great little package called knotplot, which has recently switched from a freeby to a purchased item...

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Toolset: Blender, GIMP, Indigo Render, LuxRender, TopMod, Knotplot, Ivy Gen, Plant Studio.