Front View Dimensions for Step and Repeat Sign and Banner Wall for Trade Shows by edt exhibit and display truss and lds light design systems. All of our aluminum truss systems are lightweight, easy to assemble, and easy to transport to any venue. Banner Backdrops can be used for a variety of purposes including trade show displays and press walls, and banner backwalls, and kiosks. Step and Repeat Banner walls are the press walls at press events used for photography backdrops, marketing, and advertising.