A wall of wooden doors up to six blocks high. This wall is not suitable for every place, but for a small medieval village it fits and is decorative.
First, set a row of these spruce doors. At the top edge then comes a half block, on which, in turn, is placed a second row of doors. This second row is oriented the other way around, so that from the "outside" the wall becomes relatively flat. From the inside, you could make a battlement this way. However, I decided on a small roof above the second door.
To loosen up the whole thing a bit, I chose the wall elements 6-10 blocks wide and delimited them with pillars.
Instructions:The trick is half a block on the top edge of the bottom door. on the half block then the top door.
There are still a lot of details that have remained open so far. For example, you don't want zombies to tear down the doors in hard mode. There is a solution for that, too. Everything worth knowing can be found in the video.