“Making of” Light Ball Bench – Plexiglas by ThyssenKrupp Plastics Austria Posted on February 21, 2012 by Manfred Kielnhofer Thank you for your great help: ThyssenKrupp Plastics Austria, Prokurist Herbert Ortner, Meister Andreas Luger, Ingrid, Johannes and many more.“Making of” Light Ball Bench by Manfred Kielnhofer – Plexiglas by ThyssenKrupp Plastics Austria