Gold beaten to translucent thinness — 0.1 µm or less — and laid onto a sized substrate with a soft brush, then burnished or left matte. The classic finish on illuminated manuscripts, picture frames, dome interiors, signage, the foreground of a Klimt. Reads as the most reflective gold there is — paper-thin and irreplaceable.
Gold beaten by hand or machine to ~80–125 nm thick (the classical 23k–24k 'patent gold' for outdoor work; 22k for interior; lower karats for cheaper work). Substrate prepared with size — water-based (gilders' size, gum-ammoniac) for water-gilding, oil-based (oil-mordant) for oil-gilding. Leaf laid with a gilder's tip (static-attracted brush) or with patent-gold backing paper. Water-gilded surfaces can be burnished with an agate stone to mirror polish; oil-gilded surfaces stay matte. Outdoor longevity: 23k+ in protected location lasts 50+ years; 22k 30+ years; lower karats tarnish in months. Modern alternatives (composition leaf, brass leaf) read similar but oxidize.
character — translucent mirror-gold, paper-thin, can be burnished bright or left matte, archival.
SSPC / NACE surface-coating standards; manufacturer technical literature for the specific coating chemistry.
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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