The third and final exhibition in the Sheldon Museum 2012 Six-Week Spotlight Series opens 5 p.m. Friday with a reception for Tresham Gregg’s showcase of paintings, sculpture and handmade puppets.

The show features new artwork, as well as pieces used in stage-shows and displays. Gregg’s acrylic paintings use various techniques, including a raised-sculpture effect. “These are the most recent of my attempts to create and define fantasy themes and images that reveal aspects of a…