which is the best  best free 3D tools available, Blender, a powerful software to create 3D designs and animations. There are other softwares out there, some complex and powerful, others really simple ones like Google Sketchup but in general all the 3D tools have in common that they are hard to use for non professionals and that it is much easier to create technical volumes with a lot of straight lines and and geometric shapes. The reason of that is because normally the 3D tools use vertices, angles and polygonal figures to create the shapes, and more complex forms mean a lot of work and and knowledge of how the program really works. In Blender, for example, there are some tools to make that part of the job easier, but in general the objects we create will be heavy and geometric. For this reason Sculptris is pretty amazing app. This is a working progress andy they just release the 1.0 version, we have to see what other things they will bring.

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