Manufacturer: astfrei Name: Sidetable Collection: CS1 Designer: Mathias Hintermann Website: http://www.astfrei.ch/  Materials: walnut wood, concrete, copper Dimensions: (L / B / H): 70cm / 44.5cm / 52cm design firm Astfrei, working with Swiss wood company Schweighauser, the trend began to develop the mixed material. Their "CS1" a coffee table and side table are both built using a combination of Californian walnut, copper and concrete. Clear division finish in the asymmetric shape creates a striking