The star shaped building of BioSintrum in Oosterwolde in the North of The Netherlands accommodates a public information center about the Biobased-economy. Both offices and educational facilities are inside, as well as a large auditorium. The structure of the building is completely in timber. Of the initial ambition to realize the entire building in biobased material , eventually 80% succeeded. Besides timber, clay hemp-crete, bioplastics and flax insulation is used.