Guys, you better be so proud of me! I finally finished the flooring in the turquoise room! I used shaggy carpeting that's evil to cut but it covers up the seams gloriously, and just melds.
Here's my workspace. I made a template of the room, then mapped it out with tiny squares.
Here's the Doctor talking to a benevolent giantess.
Here's a closer look at the floor proper.