Last pieces of the GravTube mod.

Just finished up the final 2 blocks. One will be an ejector that pulls items like stone or scrap from the conveyor system, and deposits them in the Terminus block (which is just another gravity generator) that will then fling them out. In conjunction, you have a two block gravity cannon, that can also mesh perfectly with the rest of the GravTube system.

We've got most of the tube block working in game already and will post them after the rest are in and the mod gets published.