I've asked her where she found it, hopefully she replies.
Also, I found one DNA structure piece on the shelf right next to pink 115 water. The shelf is not in the little corner room where the water is, but it's placed next to the wall of that room.
Edit: Couldn't get a reply from her. I've been literally searching for this last piece for hours and I can't find it. it must be in an obvious spot if Glitching Queen found it the day the map pack came out
Edit 2: Last piece found! I made a Reddit post and https://www.reddit.com/user/bicoezbluntkid remembered seeing it, so thanks to him we now have all the pieces to the DNA fingerprint picture. It's on the slope leading to the Pack-a-Punch room.
Edit 3: Well here is the final result. Lighting was a bitch because it shines into the pieces in some rooms and some of the scraps we're cut off completely so it wasn't easy to match them in correct positions. With the source file I can however zoom and make out every number, except the end of the one in the middle that says "577, 691, 22......" but straight down from it is almost identical line, I think it could be the same row of numbers. It's hard to know because small parts were completely cut off in every piece around those numbers