Creating a vector graphics style post process

I am trying to make a post process material that makes everything look like it is using vector graphics, similar to this:

I’m not really sure how to approach it though. What would be the best way to get the out lines of everything?

You don’t need to do that in post process, just expand the “Material” options in your material and enable wireframe.

I want to be able to apply it to the whole world though and swap between this mode and a normal looking world.