Simon Tartar has recently shared his procedural board game map generator created in Substance Designer (100% procedural).
The shots you see have been rendered with Marmoset Toolbag.
This is a highly customizable generator, so you can get an infinite number of maps when playing with it in Substance Player. Here are some more details from the artist:
Why do I need it, you might ask. Just have some fun. The whole thing might be a good tool when thinking about new layouts for levels. It’d be also great to see such maps 3D-printed.