A model of 30pcs different type of ceiling panels and accessories complete with its material with material ID and axis to its center. The model consist of: Decorative moulding Acoustic panel MDF Dotted panel Wood lattice Wood panel Diffuser Ceiling Linear ventilation Horizontal & Vertical wall ventilation Ducting 3 kinds of Signage Sprinkler CCTV Speaker Air vent and 4 kinds of Smoke Detector. enjoy it