Can 3D printing solve problems of poverty and plastic waste in slums?

Startups are turning plastic waste in developing countries into filament for 3D printers while employing local waste pickersWhen Sidhant Pai visited a local rubbish dump in his home city of Pune, India, he was struck by the size and intensity of the operation. Large black crows swooping overhead, roaming pigs, overwhelming odours and groups of waste pickers collecting plastic bottles in large white sacks. There are an estimated 15 million people globally who currently make their living from wast