3D Printing for Media Prototyping — Questions and answers

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What was Charles Hull's new idea for making objects?

Choices

  1. A. To ask people to sculpt things much faster.
  2. B. To build objects layer by layer from nothing using light. ✓
  3. C. To make objects by drawing them on paper.
  4. D. To buy small parts from another company.

Answer: B. To build objects layer by layer from nothing using light.

From page 3

What was the biggest problem when Charles Hull tried to make his invention work?

Choices

  1. Finding enough liquid to use.
  2. Making sure the machine was fast enough.
  3. Getting the UV light to be very accurate and precise. ✓
  4. Knowing what kind of objects to build.

Answer: Getting the UV light to be very accurate and precise.

From page 4

What did Charles Hull call his patented machine?

Choices

  1. The Digital Slicer.
  2. The Laser Creator.
  3. The Stereolithography Apparatus (SLA). ✓
  4. The Movable Platform System.

Answer: The Stereolithography Apparatus (SLA).

From page 5

What company did Charles Hull help start in 1986?

Choices

  1. Rapid Prototypes Inc.
  2. 3D Systems. ✓
  3. Laser Innovations Co.
  4. Medical Device Makers.

Answer: 3D Systems.

From page 8

How did 3D printing help the media industry, like for making movies?

Choices

  1. It made everything much slower and more expensive.
  2. It allowed designers to try out new ideas and make changes in days instead of weeks. ✓
  3. It meant nobody needed to draw pictures anymore.
  4. It made all the models look exactly the same.

Answer: It allowed designers to try out new ideas and make changes in days instead of weeks.

From page 9