# Poly Haven sets used by the robot cell `metal_plate` (https://polyhaven.com/a/metal_plate, CC0 1.0): normal (OpenGL), displacement and roughness at 2K, copied from `models/anchorage/source_polyhaven/textures/metal_plate/` (downloaded there on 2026-10-14). The cell's diamond-plate floor takes the relief and the lugs from them; its colour is my own (the scan is green and rusty, the cell is clean).