I found a tool that generates images of the maps in Doom 1/2 WADS (wad2image).
So here's some images from a recent Doom map called "Jack Builds A Techbase".
https://www.doomworld.com/forum/topic/136983-rc3-jack-builds-a-techbase-4-maps-cl21/
Beautiful huh? The devs left a message in one of them.
Here's some more. This time from Solar Struggle which was in the Top 10 for the Cacowards 2022
Guess I'm writing another Mastodon bot then