1) You can center it relative to your screen, or to the map 2) You can already do that... unless you mean something else 3) Yeah, I thought of that. Why 6 or 32 ? I'm thinking of defining a rectangular area, define the operation (mirror, flip, rotate), then define the destination area. With the planned new implementation of walltiles, walls would be drawn accordingly as well. 4) This would be the kind of thing to do if we start a new non-vb editor