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3D Printing Review

Total questions: 27

Worksheet time: 9mins

Name
Class
Date
1.

3D printing is the process of taking a ____________ and turning it into a physical object

a)

picture

b)

computer model

c)

physical model

d)

slicer

2.

3D printing is _______________________ manufacturing.

a)

Additive

b)

Subtractive

c)

Dimensional

d)

Removing

3.
  1. The first 3D printing patent was filed by a Japanese man named Hideo Kodama in ____________

a)

1989

b)

1981

c)

2004

d)

1980

4.

__________________________ produced the first 3D printer and founded _______________________.

a)

Chelsie Baker, STL INC

b)

Charlie Anderson, 3D Modeling Co

c)

Charles Hull, 3D Systems Corp

d)

Chuck Wood, 3D Log Homes Co

5.

The _________________ helps to dissipate heat.

a)

Heat stink

b)

Hot end

c)

Motor cooler

d)

Heat sink

6.

Material fed by the extruders to the hot end.

a)

Cable

b)

Wire

c)

Filament

d)

Material

7.

The _______________________ is responsible for moving filament towards the hot end.

a)

Extruder

b)

Intruder

c)

Gear

d)

Conveyor

8.

The _____________________ is responsible for melting filament.

a)

Extruder

b)

Hot end

c)

Heat sink

d)

Bowden Tube

9.

Cura is a _________________ that converts STL files into ______________ for the printers to use.

a)

Dicer, GCode

b)

Slicer, STL

c)

Converter, STL

d)

Slicer, GCode

10.

The platform which the 3D print is built of off.

a)

Print bed

b)

Stage

c)

Base

d)

Level

11.

The _______________________ is where you can control things directly on the 3D printer.

a)

Schematic

b)

Control interface

c)

STL

d)

CAD

12.

STL stands for _____________________________

a)

Stereolithography

b)

Stereodisco Light Transmitter

c)

Standard Line Thickness

d)

Standard Limiting Transistors

13.
  1. Stratasys’ patents for filament 3D printers expire in ___________

a)

2008

b)

2009

c)

2010

d)

2011

14.

Scott Crump founded____________.

a)

Strat

b)

Strat Fender

c)

Stratasys

d)

Stratmax

15.

Scott and Lisa Crump filed patents for the first filament based 3D printer in _____________.

a)

2000

b)

1990

c)

1989

d)

1991

16.

3D printer movement is controlled by _____________.

a)

Stepper Motors

b)

Pneumatics

c)

Magnets

d)

Hydraulics

17.
  1. The standard size nozzle diameter for a 3D printer is _____ mm.

a)

.05

b)

.04

c)

.5

d)

.4

18.

The maximum layer height is __________ percent of a nozzle diameter.

a)

60-60

b)

80-90

c)

70-80

d)

90-100

19.

The __________________ holds the filament with as little friction as possible

a)

Base

b)

Support

c)

Filament roll holder

d)

Hot end

20.

Material used in Legos.

a)

STL

b)

PETE

c)

ABS

d)

PLA

21.

Max overhang angle without supports needed.

a)

35

b)

55

c)

65

d)

45

22.

3D printer we use in class.

a)

Creality Ender 3

b)

Creality Imagine

c)

Ultimaker

d)

Dremel

23.

For optimal printing infill density should not surpass _______%.

a)

100

b)

60

c)

45

d)

90

24.

________________ is a pulling force _______________ is a crushing force.

a)

Tension, Cushion

b)

Tension, Compression

c)

Shear, Compression

d)

Torsion, Shear

25.

_____________________ means material will absorb water.

a)

Hydrophobic

b)

Hydrolytic

c)

Hydroscopic

d)

Hydroplane

26.

ABS stands for.

a)

Polylactic Acid

b)

Automatic Breaking System

c)

Acrylonitrile Butadiene Styrene

d)

Abdominal Muscles

27.

PLA stands for________. This is a biodegradable plastic often used in 3D printing applications.

a)

Pnuematic Lithographic Assembly

b)

Potassium Acetylene

c)

Polylithium Actuator

d)

Polylactic Acid