3D Printed Flame Throwing Overwatch Reaper Shotgun Posted December 9, 2016 in Other Gear & Gadgets, Shotguns by Nicholas C with 22 CommentsTags: 3D Printed, flame thrower, Pittsburgh My friend Adam got to check this out and I want to know where I can get one. BoXZY designed an over under shotgun style flame thrower. The design is based on the video game Overwatch. It is a propane charged double shot flame thrower.