January 6, 1971September 10, 2018Sinus Line 172 Studio in Knabrostræde 1970 The very first model 172 Sinus line 172 Pure hand folding by skilled craftsmen from a rectangular foil along embossed curves SINUS LINE 172 1971 Client: Le Klint, Denmark Material: Translucent plastic foil All rights reserved. © Poul Christiansen Design