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WorksheetsDesigning in TinkerCad for 3D Printing
Total questions: 15
Worksheet time: 8mins
An overhang is a part of a model that is...
supported underneath
partially or fully unsupported underneath
vertical
floating
Which of the following overhang angles are generally classed as acceptable for 3D printing without support material?
30 degrees
50 degrees
55 degrees
80 degrees
Which of these statements is true?
The smaller the overhang angle, the worse the surface quality
The larger the overhang angle, the worse the surface quality
Bridging refers to...
a 45 degree overhang between 2 points
a 90 degree overhang supported on 1 side
a horizontal wall
a horizontal overhang that will print across 2 points
When bridging large distances without support material, you will notice...
drooping of the model
underextrusion
good surface quality
material burning around the nozzle
Generally, if walls are drawn at a quarter of the thickness of your nozzle diameter, the following will happen:
they will print at the same diameter as your nozzle
they will print at half the thickness of your nozzle diameter
they will be disregarded and not printed at all
the whole model will not print
It is recommended to draw your walls...
at least twice as thick as your nozzle diameter
at least the same size as your nozzle diameter
at least 3 times as thick as your nozzle diameter
at least twice as thick as your layer height
When orienting the models for 3D printing, you should...
ensure the largest surface area is on the print bed, regardless of anything else
try and minimize the amount of overhanging features over 45 degrees
always enable support material
try and minimize the amount of overhanging features over 30 degrees
Generally, what will happen if you try and slot a 3D printed 10x10x10mm cube into a 10x10x10mm hole?
It will fit in but will be very tight
It will fit in loosely
It will not fit in
Holes are generally printed...
at the exact same size they were designed
smaller than the size they were designed
larger than the size they were designed
closed up
When engraving or embossing details onto a model, you should ensure that...
they are the exact same thickness as your nozzle diameter
they are at least the same thickness as your nozzle diameter
their thickness is smaller than your nozzle diameter
they are at least the same thickness as your layer height
To ensure good bed adhesion you should...
minimize the surface area touching the print bed
design a model with no overhangs
design a model with no bridges
ensure there is sufficient surface area touching the print bed
If your model has a very small surface area touching the print bed, the model may...
topple over during printing
cause the slicing software to not generate a path
adhere too well to the print bed
have a poor surface quality
Fillets are helpful to...
increase the strength of models
make prints stick to the print bed
ensure overhangs are printed well
ensure bridges are printed well
To help cool sharp and narrow points to reduce deformities from heat, you can...
calibrate your printer well
print the model with the sharp and narrow points touching the print bed
duplicate the model and print them both at the same time
