Adam Robison | Buy at photos.djournal.comYoung artists gather to collect their supplies during a recent Mini Masters session at The Powerhouse in Oxford. By M. Scott Morris Daily Journal OXFORD – Parents and children slowly dribbled into The Powerhouse, while Andi Bedsworth was still getting prepared. She’d been cutting red, green, yellow and blue construction paper into squares, rectangles and triangles, but it was time to wrap up. “The paper cutter makes me nervous when they get here.