"regenators are a way to get items without going hunting for them whit a way to do it manually"

You can make Coblestone AND Obsidian regenerator since the 1.10 update. Here is how to:Edit

Cobblestone regenerator:Edit


The cobblestone will be created in the middle.

Make shure the water OR the lava dosent touch the other source.

Obsidian Regenator:Edit

Made a constraption where the lava OR the water DOES touch the other source this will make the source convert into obsidian.

PS: The source WILL be lost.