Easy Wireframe Mesh Guide, mesh2wireframe

1/Find a mesh that you wish convert to a wireframel, for example a mathematical surface from https://www.google.fr/search?q=MATHS+SURFACES+MESH+MODELS

2/load the surface in blender. if it is .wrl, you can try to open it in meshlab and save as OBJ first

3/in "object mode" search the right menu for the spanner>modifiers>wireframe modifier

4/export the object with desired settings

5/if necessary, use Netfabb to correct manifold errors that seem to happen 50% of the time from the blender plugin.

You can also bevel the model in blender and try other modifiers. Please post your findings here.

Blender tips:

To fatten up an object, Alt+S in edit mode, with the object selected (press A to toggle select the entire object). Alt.S is shrink-fatten, vertex extruding.

https://www.youtube.com/watch?v=_APvFlwCHfE

I wasted time with trying low poly sheep meshes from sketchup warehouse, all the faces have to be roughly the same sizes, else it results in reverse polygons, al