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Helix — Open-Frame Twisted Fin Lamp Shade

Created today

Decor & Displaylamp-shadetwistedopen-frameflaredfinslanterndecorlighting
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Description

Helix is a flared lamp shade with no solid wall. 72 thin fins spiral through a 60° twist as the shade widens from the base to the top, and three low reinforcing rings hold the whole frame together. The result reads like a lantern or woven cage, and the light comes through as spiralling slats of shadow.

The fins and rings are matched on purpose: each fin reaches inward only as far as the rings do, so the inner edge stays clean from bottom to top. A small spoked fitter ring at the base seats the shade over a lamp holder.

Dimensions

  • Height: 130 mm
  • Base diameter: about 90 mm
  • Top diameter: about 140 mm
  • Twist: 60° over the full height

Features

  • 72 twisted, flared fins, 1.2 mm thick
  • Three low-profile rings at the bottom, middle and top, 3.5 mm tall
  • Fin depth matched to the ring depth (about 6.6 mm at the base, scaling with the flare)
  • Spoked fitter ring at the base, 3 mm tall

Print notes

  • Print upright with the fitter ring on the plate.
  • Slow speeds help, since the fins are thin.
  • Use a cool LED bulb only. Fit to a specific socket is untested, so check the fitter ring against your holder.

Images

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