Giant 3D printers for making boats, bridges, buildings and rockets
Boat building is a long-winded and tedious business, even when what is going down the slipway is a small craft made from modern materials such as fibreglass, rather than something nailed together out of planks of wood. Construct a mould. Build up layers of resin and glass fibre inside that mould. Extract the completed structure and finish it.
Continue Reading https://www.economist.com
Join the Discussion