Presented by the Diving Cat Studio Gallery, local artists exhibit creative styles in art and craft in a uniquely restored 1790s four-story gristmill house. A special interview with Markels Roberts by Michaela Majoun 7 pm Friday. 1655 Hollow Rd., Chester Springs. Fri, Preview Party, 5 to 9 pm; Sat–Sun, 10 to 6. 484-919-8774; FrogHollowArtShow.com.