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World's first 3D printed bike helmet | helmet, foam, specification | Hexo Helmets have created the world's first 3D-printed bike helmet. It fits to your exact specifications and claims to be safer
Hexo Helmets releases custom 3D printed bicycle helmets with optimized impact resistance - 3D Printing Industry
HEXR - The world's first custom-fit cycling helmet
Hexo Launches Custom 3D Printed Helmet | Neometrixtech.com