Pelt the surface with tiny glass beads under air pressure. The peen-pattern leaves a uniform, soft, non-directional matte — Apple's silver-aluminum laptops, the body of a Leica camera, the back of a stainless watch case. Reads as deliberate, neutral, modern.
Compressed-air abrasive blasting with spherical glass-bead media (#10–#16 mesh typical for fine work, #4–#8 for coarser texture). The bead is non-fracturing, so it peens rather than cuts — finish is a uniform matte with mild compressive residual stress. Ra typically 0.8–1.6 µm depending on bead size and pressure. Common pre-treatment under anodizing (the matte takes dye uniformly) and PVD coating.
character — isotropic matte, soft, even, neutral, fingerprint-tolerant.
ASM Handbook Vol. 5 Surface Engineering; manufacturer abrasives literature (3M, Norton, Mirka).
House vocabulary — terms ForMatter uses with intent.
Materials and processes for people who design and make things.
A local-first library of materials, processes, applications, and finishes — equal weight, citable everywhere, so a student can move from "what is this" toward "what's actually buildable here, now, by me." Part of the renato.design ecosystem — sibling of Plenum, Specimen, Ingenue, gesture, graf, and the Renato Rhino plug-ins. Form and matter, inseparable.
Half of teaching materials is teaching how the material is made into the thing. The standard subscription library was always light on that half. The wedge here isn't better samples or a prettier interface — it's treating Process as a peer entity, not a footnote.
Conway, Lefteri, Forty, Sparke, ASM, GIA. Every voice: Voices.
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