How to Make Horizontal and Vertical Double Piston Extenders in Minecraft Bedrock Edition - YouTube
The Worlds SMALLEST Double Piston Extenders (Minecraft 1.13+) - YouTube
need help with a horizontal double piston extender with block storage, use as much space as you want including down but the more compact the better : r/redstone
Tutorials/Piston uses – Minecraft Wiki
Most Viewed Extenders Minecraft Maps with Downloadable Schematic for Java Edition | Page 3
After a few hours of messing around and watching a picture of the double piston extender by NorthWindStudios I managed to make MY FIRST 3x3 Piston door!! I'm so happy right now!!
BEDROCK EDITION DOUBLE PISTON EXTENDER -Power red block to work -You have to power both red blocks -Only works if there's one -Completely flush -One block wide -Completely flush -One block wide -