FASTWAVE
Steampunker
This is just a build I randomly made. It's a minecart ride I made, and this is a section of the cart going through a bunch of pressure plates which exposes the world "Terraria". The pressure plates trigger most of the gemspark blocks to go offline except the blocks that contain the letters of the world. I'm sure someone else did something similar, but why not post it anyway? I tried making it as original as possible: