I have created Ilmango's cobblestone generator in bedrock edition, I made a few changes because quasi connectivity doesn't exist in bedrock and it produces 11,520 blocks per hour. : r/Minecraft
Tutorials/Cobblestone farming – Minecraft Wiki
I Made a AUTO-COBBLE GENERATOR in Minecraft 1.15 - YouTube
Easy Full Automatic Stone Farm Tutorial Minecraft 1.19 - YouTube
Automatic stone generator with no TNT, only Wither projectiles. : r/ Minecraft
Easy early game auto cobblestone farm (no slime or coral) : r/technicalminecraft
How to Build a Cobblestone Generator « Minecraft :: WonderHowTo