A student seen from behind writing on a corridor blackboard at night, in a slate hoodie with a butterfly of four looping wings chain-stitched in white between the shoulder blades.

22:30, the board at night

Three equations Edward Lorenz wrote in 1963, a model of convection cut down to its bones. A typical orbit never repeats and never leaves the same two wings. At the eye of each wing is a point of rest that does not hold: a solution that starts a hair off it spirals away, each turn wider than the last, until it is thrown across to the other wing. Each fore wing is the last two and a half turns of that spiral, drawn up to the centre line; each hind wing its last turn and a half, turned over and drawn at three quarters, so that all four meet in one point. The body is the z-axis, the one straight line on which a point simply falls.

Equilibrium · Heavyweight hoodie

Lorenz Hoodie

CHF 180 working price

For the board at night: a slot in the pouch pocket holds the chalk upright, and the cuffs stay pushed up.

A butterfly chain-stitched between the shoulder blades: two fore wings, two hind wings, a body. Nobody drew it. Each wing is one solution of Lorenz’s equations, the ones behind the attractor on our first page, spiralling away from a point of rest; the front is left plain.

Colour Blackboard

Size

A study: nothing can be ordered yet. The photograph is a generated image, not a picture of a made piece or of a real person.

  • Fleece 500: brushed-back cotton fleece, 500 g/m², garment-washed
  • Between the shoulder blades, a butterfly 26 cm across and 19 cm tall, chain-stitched in five lines of thread: one for each wing, wound round its eye and out to the body, and one stroke for the body, about 3.2 m in all; chalk-white on Blackboard and slate on Paper. Nothing on the chest
  • A slot inside the pouch pocket holds a stick of chalk upright; long cuff ribs that push to the elbow and stay
  • Square block: 64 cm long by 65 cm across on an M, dropped shoulder, double-layer hood
  • Outside: the horizon tab on the hood’s centre seam, 40 × 5 mm, woven in the colour of the cloth
  • Cut for: Twelve and One

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