http://www.potterybarn.com/products/vince-table-lamp-base/  Dimensions / Dimensions: Diameter: 440mm Height: 680mm Turbosmooth exhibited in the Render mode. In VINCE_max2013_vray2.max file is version of the model without GGX BRDF for older versions of Vire. Turbosmooth is set to render mode. Inside the VINCE_max2013_vray2.max file there is a model version without GGX BRDF for earlier versions of Vray.