Yes, these are the good examples. In addition there are some uses of 3D Printing:
Microscale and nanoscale 3D printing, Cloud-based additive manufacturing, Mass customization, Rapid manufacturing & prototyping, Food, Research, Medical applications, Agile tooling, in industries Apparel, Jewelry Industry, Automotive industry, Construction, Firearms, in Medical Medical devices, Bio-printing & Pills, Computers and robots, Space, in Socialculture Art, Communication & Domestic use, Education and research, Environmental use, Cultural Heritage and for Specialty materials 3D printing can be used.