Designing for 3D Printing

Welcome to the Designing for 3D Printing assessment quiz. Enter your name below and answer the multiple choice questions. If you are a student under 16 and do not have the parental consent form signed and sent to hello@weareprintlab.com, please use a nickname.

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An overhang is a part of a model that is...

supported underneath

partially or fully unsupported underneath

floating

vertical

Which overhang angle is generally classed as acceptable for 3D printing without support material?

50 degrees

55 degrees

80 degrees

30 degrees

Which one of these statements is true?

The larger the overhang angle, the worse the surface quality

The smaller the overhang angle, the worse the surface quality

Bridging refers to...

a horizontal wall

a 45 degree overhang between 2 points

a 90 degree overhang supported on 1 side

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 half the thickness of your nozzle diameter

they will print at the same diameter as your nozzle

they will be disregarded and not printed at all

the whole model will not print

When orientating models for 3D printing, you should...

try and minimise the amount of overhanging features over 30 degrees

try and minimise the amount of overhanging features over 45 degrees

ensure the largest surface area is on the print bed, regardless of anything else

always enable support material

Generally, what will happen if you try and slot a 3D printed 10x10x10mm cube into a 10x10x10mm hole?

It will fit in loosely

It will not fit in

It will fit in but will be very tight

When engraving or embossing details onto a model, you should ensure that...

they are only done on the top surface

they are the exact same thickness as your nozzle diameter

they are at least the same thickness as your nozzle diameter

To ensure good bed adhesion you should...

minimise the surface area touching the print bed

design a model with no overhangs

ensure there is sufficient surface area touching the print bed

design a model with no bridges

If your model has a very small surface area touching the print bed, the model may...

topple over during printing

adhere too well to the print bed

cause the slicing software to not generate a path

To help cool sharp and narrow points to reduce deformities from heat, you can...

print the model with the sharp and narrow points touching the print bed

calibrate your printer well

duplicate the model and print them both at the same time

Designing for 3D Printing

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