Minecraft wiki entry for Dripstone_farming, associated text: The flying machine design is self-explanatory. You have a normal dripstone farm but with more blocks of air gaps to fit a flying machine which will harvest the second stalactite dripstones and higher. There also needs to be a shifting floor or another flying machine to harvest the stalagmites on the floor, and a collection system to pick up the dripstone on the floor. That all sounds complicated to most minecraft players, so here are 2 tutorial videos to help you.