A rectangle or square diamond combining the rectangular outline of an emerald cut with the brilliant-style faceting of a princess. Reads as the engagement-square that wants more fire than emerald and more body than princess. Patented by Henry Grossbard 1977; standard alternative to princess in the 1980s, popular through the 2000s, persistent.
Modified brilliant with cropped corners. 70 facets (more than most modified brilliants — the radiant's 'fire' character comes from this density). Length-to-width 1.00–1.05 for square radiant; 1.10–1.50 for rectangular. Cropped corners ~25% edge length, similar to emerald cut. Combination crown (brilliant facets) + pavilion (also brilliant facets) — the step facets seen in emerald are absent. Optimum proportions: table 65–72%, depth 67–73%, crown 12–15%, pavilion 65–70%. Cropped corners give bezel-friendly setting; chip-resistant relative to princess.
character — rectangular fire, modern brilliance, chip-resistant via cropped corners.
GIA Diamond Grading and Identification literature; AGS American Gem Society cut-grading standards.
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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