When inverted, the Arundel shade makes a great low profile accent light on a wall or overhead.The mushroom diffuser is half open because it's too cute to cover. Bulb included.The model is assembled for subdivision. When using import formats, please apply MeshSmoth/TurboSmoth with 2-3 iterations.https://assemblyline.co/products/arundel-mushroom-surface-mountSize: D33sm x H17sm