You can give the parts a vapor bath, but you lose some of the exactness. The longer you do it the smoother the part but the more it loses it's dimensions. You a

You can give the parts a vapor bath, but you lose some of the exactness. The longer you do it the smoother the part but the more it loses it's dimensions. You are basically melting the plastic with fumes. http://hackaday.com/2013/02/26/giving-3d-printed-parts-a-shiny-smooth-finish/ http://hackaday.com/2013/02/26/giving-3d-printed-parts-a-shi...