3x3 Piston Door for Bedrock 1.21.0 (or Education Edition)

Heres how to make a 3x3 piston door for bedrock edition 1.21 (or Education Edition)

Supplies

Here are the items you need, your door blocks and blocks to build with are not included

Step 1:

Build a 3x3 hole (corners cut out) 3 blocks above the ground.

Step 2:

Place your sticky pistons like this (I used the RedrefinedRS texture pack in this image).

Step 3:

Add a Dropper, a solid block, and a observer next to the dropper. Add a 4 tick repeater facing toward the sticky piston as shown. The solid block is where your input is.

Step 4:

Add a normal piston below the dropper, a redstone block, 2 observers facing upward, leave a one block gap, and add another piston as shown.

Step 5:

Place an observer facing away from the dropper (crouch if needed) and another observer belowfacing toward the piston.

Step 6:

Then, 1 obsidian, and redstone dust underneath. The piston will fire, so replace the blocks on step 4 back to its original position.

Step 7:

Place a redstone torch next to the input block, then a piston (or sticky piston) facing downward with another torch on top of that.

Step 8:

Add an observer next to the redstone torch that is off.

Step 9:

Add obsidian on the botton left of the foor frame as shown.

Step 10:

Place a solid block on top of the redstone torch that is off, and then 2 redstone dust on top of the solid block and the sticky piston.

Step 11:

Place glass and more redstone dust.

Step 12:

Then, slap a 3 tick repeater and a solid block.

Step 13:

Place 2 solid blocks with redstone dust, and 3 glass with redstone dust as shown.

Step 14:

Add an observer facing downward next to the obsidian, 2 solid blocks below, another solid block on the bottom sticky piston, and 2 redstone torches (place from bottom to top).

Step 15:

Add an observer facing downward (dig blocks if needed) and redstone dust. (If you are out of redstone dust use a solid block instead).

Step 16:

Believe it or not, that is your 3x3 piston door complete! This door can break, but it will fix itself with a simple close and open. =)

Step 17:

With some decorating, your door is complete!