I see way to many people fail to make a cobblestone generator, it's not that hard. Here's mine. : r/Minecraft
How to Build a Cobblestone Generator! ▫ The Minecraft Survival Guide (Tutorial Lets Play) [Part 46] - YouTube
How To Make A Cobblestone Generator In Skyblock With Ice & Lava
How to make an easy Cobblestone generator in Minecraft - Gamepur
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 :