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Worksheets

3D Printing and Manufacturing

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The traditional way of creating a 3D structure is by removing material from an existing block. This is known as _____________________ manufacturing.

a)

Additive

b)

Subtractive

c)

Divisional

d)

Multiplical

2.

A product created by a CNC machine is an example of subtractive manufacturing

a)

True

b)

False

3.

The way 3D printers ‘print’ a 3D structure is known as __________________ modelling.

a)

Additive

b)

Subtractive

c)

Divisional

d)

Multiplical

4.

Which method of 3D printing melts a plastic filament and builds the object on a plate layer by layer?

a)

FDM (Fused Deposition Modeling)

b)

SLA (Stereolithography Assembly)

5.

This is a threadlike material that is heated in an FDM 3D printer in order to create an object...

a)

Filament

b)

Screw

c)

Bolt

d)

Extruder

6.

A PLA or ABS filament in an FDM 3D printer is a type of ____________ material.

a)

metal

b)

wood

c)

plastic

d)

paper

7.

In an FDM printer, the ______________ delivers the filament to the hot-end of the nozzle section

a)

nozzle

b)

extruder

c)

base

d)

principle

8.

When the 3D object is completed on an FDM printer, it can be easily removed from the bed as a final result.

a)

True

b)

False

9.

Which method of 3D printing uses a special liquid and laser beam to form a 3D model?

a)

FDM (Fused Deposition Modeling)

b)

SLA (Stereolithography Assembly)

10.

When using SLA 3D printers, it uses a photosynthetic resin as a printing material. This means that the material reacts/hardens when it comes in contact with...

a)

images

b)

photos

c)

sound

d)

light

11.

Once the 3D object is printed from an SLA printer, it has to “cure” in a UV oven or in the sun.

a)

True

b)

False

12.

In both printing methods, the 3D model created on a computer must be digitally "sliced" into...

a)

sheets

b)

layers

c)

papers

d)

plastic

13.

SLA is ten times more accurate than FDM

a)

True

b)

False

14.

FDM is more expensive than SLA

a)

True

b)

False

15.

3D printing takes a considerable amount of time to complete

a)

True

b)

False