Creativity -- Long live liberty -- Frugal innovation -- The shoe that grows -- The Frugalizor -- Jugaad -- Constraints drive solidarity -- Furniture with a twist -- Tree of trade -- When the clock is ticking -- Parkinson’s law -- For sale, baby shoes, never worn -- When each cm counts -- When the box is obsolete -- When wind and cold fire up creativity -- The propeller -- Radical constraints -- Angels and devils -- The casual constraint contest -- Sunlight and seawater -- Hand me the fish thread, please -- Cheap wheelchairs -- When the box is the answer -- The beauty of ugliness -- The river -- When the stakes are high -- Open that box -- The constraint suite -- Reference list -- Image courtesy
