A good way of understanding how rapid protoyping works is to imagine a printer that prints plastic powder instead of ink.

要理解快速原型制作法的原理有个好法子，就是想象打印机使用的不是墨水，而是塑料粉末。

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Called the Objet Connex500 rapid prototyper, the printer can print in multiple materials.

该打印机名为Objet Connex500快速图片打印机，可打印多种材料。

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Organovo’s 3D bio-printer works in a similar way to some rapid-prototyping machines used in industry to make parts and mechanically functioning models.

欧加南墨机器的原理和一些企业界用来制造零件及机械运转模型的快速原型机类似。

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