Kerbal Mod: Concave Construction!
Channel: Craig Perko
Date: 2013-10-06

You can get it here, if you like:

http://projectperko.com/Concave_Construction_0_1.zip

I'll put it someplace more reputable (KSP) later, but I want to make sure it works. If you do mods in Kerbal, maybe download it and make sure it works - tell me what you think.

Really shines when combined with robotics and KAS, but they aren't required.