The chunky quartzite walls of this library on the outskirts of Paris are faceted to accommodate the span of a century-old walnut tree at the centre of the site (+ slideshow). More about Paris library by Agence Pascale Guédot angles around an old walnut tree
Milan 2015: furniture, ceramics and glassware by Norwegian designers have been collected together for an exhibition intended to show the country's contribution to Scandinavian design (+ slideshow). More about Norwegian Presence exhibition showcases products at Milan design week
Danish studio Kilo has designed a set of headphones that allow users to create different arrangements of headbands, earpads, cables and speakers (+ movie). More about Kilo Design creates modular headphones for Aiaiai
Dezeen promotion: the winners of this year's A' Design Award and Competition include a curvaceous wood-lined sauna and a lamp designed to be smashed by its user. More about A' Design Awards and Competition 2015 winners announced
British firm Hawkins\Brown has added a music school and boarding house to a school in Surrey, England, featuring sandy coloured brickwork and timber screens that reference musical annotation (+ slideshow). More about Hawkins\Brown finds musical references for timber-clad school recital hall
Tufts of brightly coloured electrical cabling give the walls and furniture of this bar by Japanese architect Kengo Kuma a hairy appearance (+ slideshow). More about Matted electric cables cover the surfaces of a Tokyo bar by Kengo Kuma
Milan 2015: these crystal-shaped lamps by Prague duo Jan Plecháč and Henry Wielgus were designed with 3D-modelling software but made using traditional Czech glass-cutting techniques. More about Polygons pendants combine computer modelling with Czech glass cutting