Modular space plane for Kerbal Space Program
, based of Arca Space's E-111 Excelsior
design. 8434 Tris, more information and download (when it's available) at my Space Ark thread on the KSP forum
I havn't actually played the game, but I've been doing some part building for it.
This plane connects together out of nine pieces; Command Module, decoupler, fuel tank, engine, 2 wings, 2 control surfaces and a drop tank, and attaches flush to make a smooth even surface.