Mold manufacturing rapid prototyping technology also plays an important role in the increasingly competitive market economy, mold manufacturing rapid prototyping technology also plays an important role, is an important part of the advanced manufacturing technology group. It concentrates computer-aided design and manufacturing technology, laser technology and material science and technology, in the absence of traditional molds and fixtures, rapid manufacturing of arbitrarily complex shapes and has a certain function of three-dimensional solid model or parts, about the cost of new product development and mold manufacturing, repair. Section applications in aviation, aerospace, automotive, communications, medical, electronics, home appliances, toys, military equipment,...