[Madact]

So, the 'traditional' style ram horns don't have anywhere to go (as you can see, they project waaay too far in all directions), but I've come up with a much 'swoopier' layout that seems to do the trick - I think this one might be the winner similar total turn as a ramshorn (i.e. 180 degrees more than the minimum possible), but with much gentler curves...