So, I've made a little progress on the MapThing suite recently. Unfortunately it's not on HillThing though.
After recently spending an inordinately long time drawing, redrawing and shading a simple border I decided that I'd have a crack at automating some of the process. So I finally turned my attention to the newly re-christened BorderControl module for MapThing.
It's not feature-complete yet but I thought there was enough now to show a little of what it can do. So,