3D Printer — Questions and answers

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What was one big challenge Chuck Hull faced in his first experiments?

Choices

  1. A) Making the parts too perfect.
  2. B) Getting the UV light to be very precise. ✓
  3. C) Finding enough plastic material.
  4. D) Making the resin cure too quickly everywhere.

Answer: B) Getting the UV light to be very precise.

From page 4

What did Chuck Hull call his new method of building objects with a laser?

Choices

  1. A) Digital Design.
  2. B) Laser Tracing.
  3. C) Stereolithography. ✓
  4. D) Solid Object Stacking.

Answer: C) Stereolithography.

From page 5

How does the Stereolithography Apparatus build an object?

Choices

  1. A) By removing material from a large block.
  2. B) By melting metal powder.
  3. C) By tracing layers with a laser in liquid resin, from the bottom up. ✓
  4. D) By using molds to pour plastic into.

Answer: C) By tracing layers with a laser in liquid resin, from the bottom up.

From page 7

What was the name of the world's first commercial 3D printer, unveiled in 1987?

Choices

  1. A) The Hull Machine.
  2. B) The SLA-1. ✓
  3. C) The Digital Creator.
  4. D) The Additive Maker.

Answer: B) The SLA-1.

From page 8