12 and September 13 is the weekend of Open Monumentendagen this year. Our monument at Westeinde 43 in Voorburg again puts forth its doors on Saturday, September 12th, from 11:00 to 17:00 hours. This year's the national theme is Art & Crafts. Following the exhibition Piet Klaarhamer, teacher of Gerrit Rietveld in museum Swaensteyn Voorburg tells cabinetmaker and collector Jan Stuip everything about the technical side of the Rietveld furniture. You can also see some Rietveld furniture from his collection.