How to model an operating overhead rolling door By Angela Cotey | March 20, 2019 | Last updated on November 7, 2022 This manually controlled gear mechanism uses Lego parts Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates This video highlights how Thomas Klimoski modeled an operating overhead rolling door on his Georgia Northeastern model railroad. See the May 2018 issue of Model Railroader for more information.