米国：三次元プリンタ（3D Printer）で製造可能な樹脂製銃砲禁止法案？

下記の記事が出ている。

　The House is really worried about 3D printed guns. So it’s voted to ban them.
　Washington Post: December 3, 2013
　http://www.washingtonpost.com/blogs/the-switch/wp/2013/12/03/the-house-is-really-worried-about-3d-printed-guns-so-its-voted-to-ban-them/