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While 3D printers are still too expensive for most of us, a kickstarter project is hoping to fund a cheaper alterative - a pen capable of drawing 3D structures. 虽然3D打印机对我们来说依然太贵，不过融资平台Kickstarter正打算投资一种便宜的替代品——一种可以画出3D结构的涂鸦笔。 Called 3Doodler, the $50 pen writes using a plastic wire that hardens almost instantly on being cooled by a fan built in to the pen's tip. 产品的名字叫3Doodler，价值50美元，它利用一种塑料线丝来写字。笔尖内置了一个风扇冷却，让线丝瞬间固化。 It is hoped it will go on sale later this year, and the firm has already given prototypes to artists to create everything from 3D animals to reconstructions of the Eiffel tower. Many of them are using it to create 3D doodles they then sell online via etsy.com 这款笔有望在今年晚些时候上市，公司已经给艺术家们赠送了一些样品让他们创作，作品从3D动物到埃菲尔铁塔应有尽有。很多人用它绘制3D涂鸦，然后在etsy.com网站上出售。 'Everyone knows how to use a pen, so we designed a 3D printing pen,' the firm said. “人人都知道怎么用笔，所以我们就设计了一款3D打印笔，” 该公司这样谈道。 'If you can scribble, trace or wave a finger in the air you can use a 3Doodler. You can draw on any surface and lift it up into the air to create your own 3D objects.' | 
