In the D3 Design Exhibit at IMM Cologne 2011: Sealed Armchair by François Dumas
They are the result of R&D into an accessible and affordable mass production process. The chairsâ€™ structure consists of three extruded plastic rods rendered flexible by heating them in a kiln. After having been formed, the parts are connected using a welding technique which seals the junctures by melting the plastic.
The production process is nicely demonstrated by this video from Designboom:
Update: I had already noticed the chair on Shapeaways as I found the reference between my draft posts when weeding them out ….
Last edited by Guido J. van den Elshout on November 30, 2011 at 6:09 PM