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C'est la page avec les PLA.

Scientists have built a 3-D printer that creates material resembling human tissues. The novel substance, a deceptively simple network of water droplets coated in lipids, could one day be used to deliver drugs to the body -- or perhaps even to replace damaged tissue in living organs.

a 3D printer today? My own guess is under a 100K personal 3D printers have been sold. If that estimate doubles each year, it takes five years to get to a million. If it triples each year we get to a million in two and a half years. What will motivate a million people to buy a 3D printer? Will the utility of it persuade buyers to consider it as another household appliance? Will it be seen as common household tool, like a Dremel? Or will it be considered a form of entertainment, like a game console or media player? Will it be considered a specialized piece of equipment for recreational hobbyists, like rocketry or boats?

Une imprimante 3D 3 couleurs, qui permet de faire des mélanges de couleurs.