The fellow partners work with us together:

Lehmann Holzwerk AG in Gossau (SG), Switzerland: absorber - www.lehmann-holz.ch

Kälin & Co. AG in Winterthur, Switzerland: glaze and colour - www.kaelintaefer.ch

Glas trosch AG in St Gallen, Swissdurex, Wehrstrasse 10, 9015 St. Gallen - www.glastroesch.ch

Dr.-Ing. M. Mahler & Dipl.-Ing. A. Buchner in Bochum, Germany: physics of construction - www.dyana.de

Engineer company IB Buchner in Bochum, Germany: statics of the glass - www.ib-buchner.de

Passaparola Studios in Tricase (LE), Italy: photography and design - www.passaparolastudios.com