I love books–ink print books with marginalia and typefaces and dingbats.

我喜欢书籍-有批注、印刷和装饰字体的墨迹本。

With training, a blind person could read an ink print book using one of these devices.

通过训练， 盲人可以使用其中一种设备阅读印刷书籍。

And for centuries now, blind and sighted designers have been arguing over the most effective way to translate the visual ink print book into an accessible form for people without sight.

几个世纪以来，盲人和有视力的设计师们一直在争论如何将视觉油墨印刷书籍转化为无障碍形式， 以供盲人阅读最有效。

The concept is quite simple: much your like printer prints ink on a page, 3D printers spit out material - whether it be plastic, metal, or even concrete- to form a 3 dimensional object.

这个概念非常简单：很像打印机在页面上打印墨水，3D 打印机吐出材料——无论是塑料、金属， 甚至是混凝土——形成一个 3 维对象。