I've been working on an iron farm in a survival world. I'm on 1.12 Prerelease 5.
I was following this tutorial:
It seems to work in 1.12, because Mumbo Jumbo built the same design on the Hermitcraft server.
It hasn't spawned any iron golems yet, and I have some doubts because this is the first iron farm I've built. I've looked over the wiki, and I want to make sure that I placed the doors correctly. Some of my friends are saying that there need to be transparent blocks above the doors.
So, all in all, I just want confirmation that I'm building the doors correctly. Thanks for all your help!