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Worksheets3D Printing Final
Total questions: 20
Worksheet time: 10mins
What is the name of the file type that is loaded into a 3D printer that determines height, position, and extrusion locations of filament?
.xls
.stl
g-code
Which of the following overhang angles, from the vertical axis, would generally be acceptable for most 3D printing without the need for support material?
52
85
35
74
Bridging in 3D printing refers to?
A horizontal overhang that will print across two points
A 45 degree overhang between two points
A horizontal wall
A 45 degree overhang between two parts
Which layer height setting would result in the smoothest 3D print surface?
0.1 mm
0.2 mm
0.15 mm
0.4 mm
The primary factor that determines the temperature at which a 3D printer is set to operate is:
The make and model of the printer
The amount of overhangs in the model
The size of the print bed
The filament material type
If the model of a 3D print design has a very small surface area touching the print bed, the model may:
Adhere well to the print bed
Topple over during printing
Cause the slicing software to not generate a path for the print head
Have poor surface quality
When orienting models for 3D printing, you should:
Always enable support material
Ensure the largest surface area is on the print bed, regardless of any other design considerations
Try to minimize the amount of overhang features over 45 degrees
Try to minimize the amount of overhang features over 30 degrees
When bridging large distances without support material, you will notice:
Drooping of the print
Under-extrusion
Good surface quality
Material binding around the nozzle
To ensure good bed adhesion of a 3D print, you should:
Design a model with no overhangs
Minimize the surface area touching the print bed
Design a model with no bridges
Ensure there is adequate surface area touching the print bed
Which layer height setting would lead to the shortest print time:
0.15 mm
0.25 mm
0.2 mm
0.1 mm
What is the name of the process of converting an .stl file into the code needed to develop a 3D print:
extruding
adhesion
overhang
slicing
What is the name of the filament type primarily used for the 3D printers in the classroom:
PETG
ABS
PLA
Nylon
An .stl file is sliced with settings of 45% infill and a layer height of 0.15 mm. Which action would help to reduce the print time?
Decrease layer height to 0.1 mm
Increase the infill to 65%
Increase the nozzle temperature
Decrease the infill to 15%
In 3D modelling, what does CAD stand for?
Computer Aided Design
Creative Art Design
Computerised Art Development
Creative Aided Development
How can you add new objects to your Tinkercad project?
By typing code
By importing images
By dragging them from the shape library
By drawing them freehand
What is an advantage of using CAD software over traditional hand drawing methods?
CAD software requires less skill to operate.
CAD drawings cannot be edited once they are completed.
CAD software allows for easier storage, sharing, and modification of designs.
CAD software is less precise than hand drawings.
What does the "Align" tool do in Tinkercad?
It groups objects together
It distributes objects evenly across the workplane
It ensures objects are positioned at the same height
It lines up the edges or centers of multiple objects
What is a common feature of CAD software that helps in creating symmetrical designs?
Colour Picker
Mirror Tool
Eraser Tool
Text Tool
Which file format can be exported from Tinkercad for 3D printing?
.txt
.mp3
.stl
.docx
What can you use the "Ruler" tool for in Tinkercad?
To measure the dimensions of objects
To draw straight lines
To cut objects
To change object colors
