[jacobolus]

This is the projection I’ve been working on for the past few weeks, a conformal spinoff of Cahill’s maps from the early 20th century:

http://i.imgur.com/Y6ki0l9.jpg

I think it’ll be great for a map where the triangular sections are each about a meter on a side (1:10M scale), or perhaps half a meter on a side (1:20M scale).