You draw traps?
I'd like the blueprints for a trap room in which the floor is sandpaper constantly rotating like a treadmill, sound-proof and heavily fortified so that whoever is in the room has no chance of ever getting out nor being heard. I want the entire sandpaper floor to rotate like this and disappear under the wall so that the person in there will have no choice but to keep moving, and if they stop or fall asleep the sandpaper will skin them against the wall. So, they're forced to keep moving until they pass out from exhaustion and are slowly scraped to pieces.
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It's for... a school project....