The worlds first 12x12 full flush hidden nether portal

where did this come from? arhur built an 11x11 full flush nether portal a few days earlier, which gave me the idea to increase the frame size by 1 block on each side. this is where this door came from.

what is this? who built it- I built this myself without much help except people wishing me luck with this where is it? to see this door, just do /p h:2 BPhineas and fly up to the top layer, it is the largest redstone contraption in terms of redstone. it is on the back left of the top layer. size? it is pretty large, at 41x11x28 with a volume of 12628 blocks speed? it closes completely in 14 seconds and the portal is lit 38 seconds after the lever is flicked, it has a damnspam on it.

any screenshots? figured it out, here you go.

what’s next? I am finally revealing it, so up next is going to be the worlds first 11x11 flush and seamless piston door.