The difference is that the printer builds a three-dimensional scaffolding out of a sugar-based material called a hydrogel.

VOA: special.2010.10.19

Any right-thinking printer or any right-thinking publisher would scoff at the presumption of a poet who demanded such a thing.

任何一个思想健全的印刷商和出版商,都会嘲笑你去假定诗人需要这样的东西。

耶鲁公开课 - 弥尔顿课程节选

For people interested in new technology, a New York based company,Makerbot, sells kits to people who want to build a small 3-D printer.

VOA: special.2010.10.29