Don't want to spend more time on building wood bridge for your maps ? This command is for you !
You can watch a demo here : https://www.youtube.com/watch?v=qJ_KRqLBO7s
To work, you MUST put the stand where it as ONLY ONE empty block beyond it. Like this :
If it has more than one, it won't work (and potentially break the machine. you'll have to take another builder to reset the scoreboard :-/ )
Please comment and share :)