How to save the outline of a model

in New Users
HI,
I'm trying to export a 3D model and just be left with the outline, I want to use it for an infographic, similar to the style in the screenshot below. Can anyone suggest the best way of going about this? Thanks!
Comments
Something like this:
My personal favorite: http://www.daz3d.com/camera-magic-toonycam-pro