领英上的Carbon: Professional players use helmets made with Carbon tech
myBauer Re-Akt Helmet - 3D Printed Digital Foam - Ice Hockey Equipment - ModSquadHockey
Shapeshift 3D Boosts Safety and Performance with 3D-Printed Helmet Lining
NFL's Safest Helmets Absorb Impact With 3D Printing Instead Of Foam
Better helmets, sensored mouth guards part of effort to make football safer
General Lattice secures US Army contract to improve combat helmets with 3D printing - 3D Printing Industry
What Pros Wear: Top 5 Helmets Rated by the NFL & NFLPA - What Pros Wear
Xenith Named a Finalist in the 2021 NFL Helmet Challenge, Granted $496,500
Liquid nanofoam lining bolsters football helmets against repeat impacts
NFL awards a Montreal start-up $550,000 to work on its design for a safer football helmet
A brief history of Football helmet technology
The Football Helmet from Vicis Enhanced with 3D Printing - 3Dnatives
NFL awards 4 projects in helmet safety development program – The Denver Post
What will football helmets look like in future? UC Berkeley scientists propose a design in which helmet twists, not the brain. The energy of the hit is absorbed in a better way
Helmet Innovation: More and Better Choices, Fewer Concussions