Scene: scene0644_00 (source dataset: scannet)
Grounding level: space_level — Commonsense Understanding
Referring expression: Place a wireless router that is 0.2 meters long, 0.05 meters thick, and 0.2 meters high in the exact center of the shelves, ensuring that multiple devices in the office can connect to it.
Ground-truth 3D box: width 0.05 m, length 0.2 m, height 0.2 m; center (2.03, 1.1, 1.25); rotation angle 0