A square step cut with cropped corners — patented 1902 by Joseph Asscher of Amsterdam. The Art Deco diamond. Reads as a hall of mirrors viewed straight down through the table; less brilliance than a square brilliant, more gravitas, more clarity-revealing. Royals, period jewelry, deliberately vintage settings.
Original Asscher: 58 facets, square, deep crown-to-pavilion step ratio, table 60–65%, depth 65–70%, cropped corners ~25% of edge length. Modern 'Royal Asscher' (re-patented 2001): 74 facets, more brilliance, slightly smaller table. Crystal-stress geometry similar to emerald cut — pavilion stress concentrators avoided by step facets parallel to the girdle. Best on diamond and high-clarity sapphire / aquamarine. Square aspect (1.00–1.05 L:W) distinguishes from emerald cut's rectangle.
character — Art Deco gravity, hall-of-mirrors clarity-flash, period register.
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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