How They Built the Battle Exosuits for 'Edge of Tomorrow' Live, die...repeatedly strap yourself into a metal articulated exoskeleton that weighs 85 lbs. Warner Bros. Welcome to How’d They Do That? — a monthly column that unpacks moments of movie magic and celebrates the technical wizards who pulled them off. This entry explains how they built and filmed the exosuits for Edge of Tomorrow. Given CGI’s prevalence these days, it’s usually a safe bet to assume a special effect is computer-generated. And it’s a hunch that tends to prove correct. But it also means that some amazing practical effects work gets handwaved or, at the very least, goes underappreciated.