It is basically a sheet of plywood, painted to look like whatever your theme is (a dungeon window, painting on wallapaper, etc) and you cut a window out at the actors eye level. Then, you take a slightly larger piece of wood on the back of that window and put a picture or something on it. Then, you take stapping ro 2x4 and overlap them on the back, each side of the window, so you make runners for the panel.Put a 2x4 on the bottom of the runners. When the people walk by, they think it's just a painting on the wall. The acor drops the panel, making a loud bang, scares them, and slides it back up. I'm sure there's plans online.
Originally Posted by Lostsheep
"If you fail to plan, plan to fail"