January 6, 1971September 10, 2018Sinus Line 172 Sinus line 172 The very first model 172 Studio in Knabrostræde 1970 Giant Tour of Tokyo on Vimeo 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