Minecraft wiki entry for Headless_pistons, associated text: Run command: /give @p command_block, then run command: /give @p redstone_block. Place the command block on the ground. Set the command block mode to repeating. Set the command to (without the ""s)"summon falling_block ~4 ~-.5 ~ {BlockState:{Name:piston_head},Time:1}" place the Redstone block next to the command block 4 blocks away from the command block, you have your piston head! Note: put the command block on the ground for the best result. make sure you placed this on a 5x5 flat plane. Also, do not remove the Redstone block.