琴日簡單介紹了這支Cool 3D printing pen, 今日講返昨天Creopop CEO Mr. Andreas Birnik 在HKSTP現場解說。這支筆由2013年開始研究， 第一支室溫無線3d-printing-pen面世(續）This entry was posted in 3D Printing News and tagged 3d pen 3D printing ceropop on September 26, 2015 by Idea Maker
