Mark Bolick demonstrates using a Prismware LapDancer External Faceting Art and a 12-inch Covington Flat Lap Grinder to facet marble surfaces. A Prismware website calculator provides information for the angles that will need to be followed to create each facet tier. To finish, the marble surface is given a final polish. This article was originally published on page 18 in the Summer 2019 issue of The Flow. Text and Demonstration by Mark Bolick