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Bring the Heat: Guggenheim Cup by Jeff Mack

Watch CMoG’s master glassmaker, Jeff Mack, create a replica of the elaborate Guggenheim Cup, thought to have originally been made in Venice in the 17th century. Inspired by a version made by Giuseppe Barovier in the late 1880s, which now resides in CMoG’s collection, Jeff creates his own iteration in this livestreamed demo. See the final piece starting at 1:48:27. In our new live demo series, Bring the Heat, join us for a live stream of glass artists demonstrating their expertise and skillful execution while “in the zone.” During each demo, an artist will present a personal design they’ve worked to perfect, and they will be live on the mic to narrate as they work—a rarity for live artist demonstrations and a first at the Museum. Find the full schedule of glassmaking live streams on