3D Printing

1. Disadvantages

1.1. Fewer Manufacturing Jobs

1.2. Limited Materials

1.3. Copyright

1.4. Dangerous Items

1.5. More Useless Stuff

1.6. Size

2. Details

2.1. Backgrounds

2.1.1. Methods and technologies

2.2. General principle

2.3. History

2.4. Future

3. Advantages

3.1. Manufacturing Options

3.2. Rapid Prototyping

3.3. Manufacturing Speed

3.4. Reduced Costs

3.5. Warehousing

3.6. More Jobs

4. Applications

4.1. Apparel

4.2. Education and research

4.3. Art

4.4. Others

4.4.1. Rapid manufacturing

4.4.2. Mass customization

4.4.3. Automobiles

4.4.4. Electric Motors and Generators

4.4.5. Spaceflight

4.4.6. Domestic use

4.4.7. Medicine

4.4.8. Environmental use