0363HG名無しさん垢版 | 大砲2019/02/14(木) 12:11:37.71ID:MGa5UmIi >>361 これとかね https://www.brecorder.com/2019/02/01/470680/new-3d-printer-uses-light-rays-to-turn-goo-into-solid-3d-objects/