I don't know if this is what you want, but I made a version that prefers to carve out blocks with many full neighbours (and thus avoids already carved-out areas

I don't know if this is what you want, but I made a version that prefers to carve out blocks with many full neighbours (and thus avoids already carved-out areas). https://gist.github.com/Haspaker/74f124859633edeb8d04465ce0053225 https://gist.github.com/Haspaker/74f124859633edeb8d04465ce00...