I present to you the 4 cobblestone generator with only 1 bucket of lava and 1 bucket of watter : r/Minecraft
Shulkercraft Cobblestone Generator FIX - YouTube
A New Type of Cobblestone Generator : r/Minecraft
1.14.4] Why does this cobblestone generator not work? this design used to work fine but whenever i do it nowadays the water flows too fast and turns the lava to obsidian :
Not many people seem to know it, so here is the Cobblestone Generator 2.0 : r/Minecraft
I adapted one of u/ilmango old cobblestone generators into a basalt generator. 14,400 blocks per hour in a stream. : r/Minecraft