Turning the wheel makes the grate open and close! unpainted purchases are shipped unassembled for ease of painting. Please read the "Unpainted Product Info" section below.Sliding floor grate$7.99PriceExcluding Sales TaxHand Painted?*SelectQuantity*Add to CartLicensing infoThe original .stl file of this model can be purchased from www.fatdragongames.com. 3D Print Forge only sells physical products Return Policy30 day replacement/refund policy If you have an issue with your order please contact us via email so we can make it right. support@the3dprintforge.shop Please include the product name, issue you are having, and pictures(if possible). Unpainted Product InfoThis tile needs to be painted before assembly, so unpainted orders will come unassembled with instructions for ease of painting and assembly.