In the ae file of any building in LRR, you'll find "Shape" followed by a sequence of numbers. The only exception is the E-Fence and GunStation (which has Shape commented out). Shape represents the area that a building will take up within a cavern. Shape uses coordinates that represent each tile in reference to what tile the mouse is over. Therefore, 0,0 is understood as the coordinates where the mouse is pointing to. This is also the center location of the building's lwo. That said, 0,