How to Make a Cobblestone Generator in Minecraft : 4 Steps - Instructables
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 :
Automatic cobblestone generator - CreateMod
perfected the cobblestone generator - goes at perfect speed and has an off button : r/Minecraft