the ‘rasta stool’ is a hyperbolic geometry physical mesh. designed by romanian designer radu comsa built using the methods employed by prof. daina taimina made of a single strap of recycled elastomer, glued through a process giving a tension between spirals, the result being coming close to the theoretical pseudo-sphere. seating comfort is offered by external objects, the mesh is only integrating them into the object, cushions, books, magazines…more see radus winning entry in the designboom folding chairs competition: