In economics, this is a printable known an opportunity cost.

在经济学中，这是一个被称为机会成本印。

Wilson first used a website to publish designs for a printable handgun in 2013.

威尔逊于 2013 年首次使用网站发布可印手枪。

Instead of starting with metal, plastic, or ceramic, a 3-D printer for organs and tissues uses bioink: a printable material that contains living cells.

普 3D 印机使用金属、塑料或陶瓷，而制作器官和组织 3D 印机使用“生物墨水”：一种含有活细胞可印材料。

If the current trend of Open Source 3D printable files continues, it will not be long before everyone prints their own large objects, like furniture and weapons.

如果目前开源3D印文件趋势继续下去，用不了多久，每个人都会印自己大型物品，比如家具和武器。