We've caught glimpses of the new work by Dutch duo Os & Oos here and there: Their new Tunnel collection, made from extruded aluminum cylinders that interlock without the use of fasteners, was shown in the castle exhibition we featured earlier this year; the aesthetic behind their Matrix project, an endlessly configurable metal grid, was used in their store interior for the glasses brand Ace & Tate. But today we're presenting both collections in all their glory