This movie by designers Studio Swine demonstrates how waste plastic picked up by fishing trawlers can be transformed into chairs on board the boats.
First presented at the Royal College of Art show in 2011 with Kieren Jones, Studio Swine simplified their idea to build the chairs using a small factory onboard vessels and have released a manual so others can build the chairs themselves.
Plastic caught in fishing nets or found washed up on shore is sorted according to colour and chopped into small bits, then melted at 130 degrees centigrade in a DIY furnace.
Some is then squashed between two flat slabs of heavy metal or stone to create the seat, while more is scraped into a mould a formed from bent scraps of aluminium.
Cooled and solidified by the sea water, the seat and three legs are then scraped with a knife to tidy edges and screwed together to create the Sea Chair.