驗證網址www.economist.com安全性

3D printing: 3D printing scales up | The Economist

Acrylonitrile butadiene styrene, better known as ABS, is the most common 3D-printing material. A mass manufacturer using plastic injection moulding might buy ABS in bulk for about $2 a kilo, but as a bespoke powder or filament for 3D printing it can cost...

網址安全性掃描由 google 提供