Weight Breathing Glyph
A type specimen screen on light grey paper: one giant capital S, as wide as the screen allows, breathing between hairline and black along a weight axis, with its skeleton drawn over it like a font editor: the control polygon, dots on the on-curve points and rings on the off-curve ones, light where they cross the letter and dark on the paper. The black weight's outline stays behind it as a hairline ghost, guides mark the cap height and the baseline, and below sit the weight in large monospaced figures, its style name (Thin to Black) and an axis from 100 to 900 with a black knob. The outline is Inter Tight's S, kept as the points of its three masters and blended in code, so no font file is needed.
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React Native · Expo SDK 52+, TypeScript
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