Lava farm, All versions

1. Place 5 Cauldrons on a line.

2. Add 5 Solid blocks 2 blocks above the cauldron.

3. Add walls surrounding above the previous solid blocks you placed.

4. Put all 5 buckets of lava on each block inside the tub you made above the cauldrons.

5. Place 5 Pointed dripstones under the solid blocks that have lava on top of them.

6. The lava above the dripstone will get transfered to the dripstone making it leak into the cauldron where you can just pick it up with empty buckets.