Nan and Brian in Bed, New York City, 1983 by Nan GoldinPlay-doh by Eleanor MacnairIt was for a round at a pub quiz that Eleanor Macnair made her first rendering of a photograph in Play-Doh– a work by photographer Clare Strand. As a laugh she tried it again at home, but when she received an overwhelming response after posting the results on Twitter, she decided it was time to start a tumblr. “I don’t have any background in Play-Doh rendering,” Macnair says. “I actually gave up art at age 14, so I feel like...