Larian Studios Forums Divinity: Original Sin 2 - The Modding Dungeon Divinity - Original Sin 2 - Modding General Duplicate a set of walls (House)

Better even press SHIFT + drag the object (with move tool) to one direction. It will get dublicated automatically. Really handy for making roof or second floors just. Shift drag the house (wall) just up and get the the copy with same x y coordinates.