1. Martínez-García A, Monzón M, Paz R (2021) Standards for additive manufacturing technologies: Structure and impact. Additive manufacturing. Elsevier, pp 395–408
2. Novak JI, Novak AR (2021) Is additive manufacturing improving performance in sports? A systematic review. Proc Inst Mech Eng Part P: J Sports Eng Technol 235(3):163–175
3. EOS Digital Foam (2023) Digital foam: a revolutionary polymer solution built with your design in mind. https://www.eos.info/en/blog/digital-foam~b~11800
4. HEXR 3D Printed Cycling Helmet (2022) HEXR’s breakthrough safety test results. HEXR, Ltd. https://hexr.com/blogs/all/hexrs-breakthrough-safety-test-results
5. Enabling Custom Mechanical Responses Using Spatially Varying Lattice (2022) Carbon, Inc