http://www.wired-designs.com/ceiling/overland-ceiling/  Dimensions 28 “DIA X 24” BH X 40 “OAH The model is based on the original manufacturer dimensions and technical data. Materials and groups are named the same as the model. Instance geometry one multi-submaterial for model for easy change or setup. Object at 0.0.0 clean and light scene. the archive contains the OBJ & 3DS file & more previews.