Chinese teen makes folding phone with 3D printer, old parts, gains 4 million views online
A secondary-school student in China has used a 3D printer and old smartphone components to make a vertical foldable mobile phone, winning massive admiration on social media, including the thumbs-up from a major phone maker. Lan Bowen, from Yiling High School in Yichang in central Hubei province, released a video clip showing the making of…