For building a simple 2 2 hidden door place the pistons as seen above.
How to make a piston door that can open from both sides.
Add 4 sticky pistons to each side of the door.
Place 12 blocks over the top only make one layer of blocks to cover everything.
This is a video response from someone who commented on a previous video.
Do this on either side 3 place a redstone torch.
But this only works one way.
Be sure to do this for both sides.
Step 2 connect the piston activators with redstone 1 dig a two deep trench connecting the redstone torches on each side of your piston set up 2 remove a block underneath the block that your redstone torches sit on.
Piston doors that open close from both sides.
We will be using something different for that space.
If you were on the other side you couldn t close it again.
Flicking it down will open the door flicking it up again will close it.
You will need to put all of this underground if you want it hidden.
Due to popular demand here is how to open the hidden door from both sides.
If the video help.
Be sure to place your sticky pistons carefully to ensure they will be able to open and close the secret door.
Place 2 blocks 4 total on the side of the pistons do not place the blocks on the lower pistons.