Some prototype design with too complex structure can not be finished by CNC vowin.cn/en/News/news1251.html' target='_blank'>machining. And also some product details is hard to finish. 3D printing is a perfect technology to make these design.
This dinosaur model is a good case study, a college student from USA designed this work of art. They wanted to make this prototype as graduation design, and finally achieved a great success!
