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Fundamentals of 3D Printing

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Name one common material used in FDM 3D printing.

a)

PLA

b)

Steel

c)

Resin

d)

Cotton

2.

What is the role of a slicer in 3D printing?

a)

To enhance the color of 3D prints

b)

To create 3D models from scratch

c)

To cool down the 3D printer during operation

d)

The role of a slicer in 3D printing is to prepare 3D models for printing by generating G-code.

3.

Explain the difference between FDM and SLA printing.

a)

FDM is faster than SLA and produces higher resolution prints.

b)

FDM uses melted filament, while SLA uses UV-cured resin.

c)

SLA uses filament, while FDM uses liquid resin.

d)

FDM uses UV-cured resin, while SLA uses melted filament.

4.

What is the purpose of a 3D printer's nozzle?

a)

To cool and solidify the printed object.

b)

To melt and extrude material for 3D printing.

c)

To paint and finish the 3D printed model.

d)

To scan and replicate existing objects.

5.

How does Repetier-Host assist in 3D printing?

a)

Repetier-Host assists in 3D printing by providing a comprehensive software solution for slicing, controlling, and monitoring 3D printers.

b)

Repetier-Host is primarily a hardware component for 3D printers.

c)

Repetier-Host does not support any printer control features.

d)

Repetier-Host is only used for designing 3D models.

6.

What is the significance of layer height in 3D printing?

a)

Layer height determines the type of filament used.

b)

Layer height significantly affects print quality, detail, and speed in 3D printing.

c)

Layer height is irrelevant to the printing speed.

d)

Layer height only affects the color of the print.

7.

Describe the term 'infill' in the context of 3D printing.

a)

Infill is the speed at which the printer operates.

b)

Infill is the internal structure of a 3D printed object that provides support and strength.

c)

Infill is the color used in 3D printing materials.

d)

Infill refers to the outer layer of a 3D printed object.

8.

What is the primary advantage of using 3D printing in manufacturing?

a)

3D printing allows for mass production of identical items.

b)

3D printing requires no design software.

c)

3D printing is the cheapest method for all types of manufacturing.

d)

3D printing enables rapid prototyping and customization of designs.

9.

What is the function of support structures in 3D printing?

a)

Support structures provide stability for overhangs and complex geometries during the printing process.

b)

Support structures are only used in FDM printing.

c)

Support structures are used to enhance the color of the print.

d)

Support structures are unnecessary for all types of prints.

10.

What does the term 'post-processing' refer to in 3D printing?

a)

Post-processing is only applicable to SLA printing.

b)

Post-processing is the process of designing a 3D model.

c)

Post-processing is the initial setup of the 3D printer.

d)

Post-processing refers to the steps taken after printing to improve the appearance and functionality of the printed object.