3D printed glasses in in Ultem polyetherimide (PEI) by Weerg. This looks like Ultem 9085, which is a high performance material suitable for complex applications in the automotive, aerospace, and transportation parts. It is certified to UL94-V0 (flame retardant), EN45545 (railway), FAR25.853 and OSU55/55 (aerospace). Ultem 1010 is certified for use in applications that require direct skin contact, meeting strict biocompatibility standards. Image Weerg.
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