Watch This Man Fire His 3D-Printed Cornstarch Flamethrower
By John Biggs Ivan Owen is usually more of a pacifist. He’s well known for making prosthetics for kids but now he’s back with something slightly less cool but far more fun. He built his own 3D-printed cornstarch flamethrower using a battery-powered leaf blower, a hopper, and a propane torch. Called the The Conflagulator, it
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