It sure looks like one, doesn’t it? Lambert uses a trowel to scrape out some more adjustments to make it look closer like it is in his head, carefully marking lines out in the dirt. The end result is pretty much this.

“I think it might have just meant where the lab was,” he frowns, looking down at it. No idea if it’s to scale or not, but one thing is pretty obvious: those major parts seem pretty segmented.