Tom ColonelFazackerley There's a button on the right to edit IDs and win/lose zones. Andy made a nice tutorial video somewhere.
andy levelsbot Nice! I obviously tried to get it like this quite a bit before going with my alternative method.
ColonelFazackerley @andy you avoided the intended method, but had to work quite hard for it. Should probably have more block limits.
ColonelFazackerley The columns fall a bit and then act as brakes. They do not rise in any of the existing solutions. How about "Arresting columns"? Not super catchy, but more accurate.