A modified brilliant cut to the silhouette of a heart — cleft at the top, point at the bottom. Reads as the most overtly sentimental of the diamond cuts; rarely used in serious engagement work, common in pendants and Valentine-anniversary commissions. Mary Queen of Scots is the cut's founding myth; modern proportions stabilized in the 1960s.
Modified brilliant, 56–65 facets, length-to-width 0.90–1.10. Geometry: a cleft notch at the top of the otherwise rounded crown, a sharp point at the bottom. Cleft must be deep and centered (~25% of total length); shallow clefts read 'lumpy oval' rather than heart. Point requires V-prong setting protection like marquise / pear. Pavilion proportions optimized to spread brilliance across the asymmetric outline; bow-tie risk along the cleft-to-point axis. Consensus: small heart cuts (<0.5 carat) read more as 'mass produced' than as a deliberate cut; the cut shows best at 1+ carat.
character — overtly figurative, sentimental register, point-protected setting.
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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