Click to draw Space to erase 9 to reset If you press See inside, you could see a similar shape out of highlighted blocks, but the new editor freezes, so use the TurboWarp editor instead
It seems like the Spork update can't handle the amount of broadcasts in this. It used to work by having broadcast-activated blocks in a dense grid, then broadcasting messages with the coordinates of the block to be highlighted (sb3 last modified 2025-04-05T13:18:29.000Z)