WONDER #1705: How Do 3D Printers Work?

Question 1 of 3

Who invented stereolithography, the forerunner of modern 3D printing technology?

1. Chuck Hull
2. Bill Gates
3. Steve Jobs
4. Benjamin Franklin

Question 2 of 3

3D printing is an example of what type of manufacturing?

1. subtractive
2. additive
3. cryonic
4. biological

Question 3 of 3

Which of the following is NOT a material often used in 3D printers?

1. rubber
2. plastic
3. metal
4. cheese

Check your answers online at https://wonderopolis.org/wonder/how-do-3d-printers-work.