Copper Wire Cleaner [1.1]  

Clean up ugly tangles of copper wires with an area selection tool. Use the quickbar shortcut or the hotkey (default Alt+E) to get a cleaner tool in your cursor. Has three modes:

Left mouse button: remove unnecessary diagonal wires.
Shift + left mouse button: remove all unnecessary wires (diagonal first, then vertical, then horizontal).
Right mouse button: add wires, where possible, in an orthogonal grid between poles of exactly the same type.

There is also an undo hotkey (default Ctrl+Alt+E) which will revert the last action made with the cleaner tool, but only the last.

Wire removal uses Tarjan's bridge-finding algorithm to ensure that electric networks are never split (i.e. a wire is "necessary" if its removal would split a network). However, adding wires can merge networks.

Wires to poles outside of the selected area are never added or removed. Circuit wires are ignored. Not intended for massive area use - the algorithm is quite efficient but the tool will refuse to work with selections of more than 300 poles.