I can't use this yet, but I can see it has been used for some kind of car profile flow representation, so maybe it would be usable, what more experienced modders think?
Beware of the Leopard
I don't know yet if it is possible to import photo or drawing to it, or is it just drawing tools in software that one must use, there are lot more of things that I don't know yet, but it looks something that might be useful in my eyes at least.