3D Printing Stack Exchange
3D Printing Stack Exchange

Questions tagged [terminology]

For questions about words, phrases and definitions that are specific to 3D printing.

14 questions
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1 answer

What do linear rail codes mean?

In looking at 3D printer motions systems, I've seen linear rails with codes like MGN15H and MGN9C. What do the letters and numbers mean?
chobok
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2 answers

Where did Marlin get its name?

Does anyone know how the developers of Marlin decided to name it that?
mattgilbertnet
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6
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2 answers

What is homing? What is the purpose of homing?

A 3D printer needs to be homed (homing) before the print starts. What is homing? What is the purpose of homing? Is it necessary?
0scar
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6
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1 answer

What is ABL or UBL? Is this the same?

When looking at Marlin firmware or reading on leveling of the printer bed the term ABL and UBL are frequently used. What are ABL and UBL? Are they the same?
0scar
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Is there a difference between 3D printing and additive manufacturing?

Is there a difference between 3D printing and additive manufacturing if any then explain?
RashkRizwan
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5
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2 answers

Is resin 3D printing considered "additive"?

Subtractive manufacturing has been the way of the world for a while, but additive manufacturing, which is synonymous with 3D printing, has disrupted all of that. If extrusion-based printing is considered additive, then can we call resin printing…
Jonathan L.
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4
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1 answer

What is the difference between allowance and tolerance?

I have to have a pin fit in a hole, and there needs to be a gap so the pin can turn freely. Can I make the pin smaller by changing the tolerance?
John Deters
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What the adjective "downstream" is used for?

I'm working with a project involving 3D printing's terminology, but I'm not such an expert... so I was asking myself if someone can explain the meaning of the "downstream" adjective in this field. More precisely, I'm dealing with this sentence:…
Vforpanic
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Is warping solely caused by thermal stress on the printed material?

Is thermal stress the root cause of warping of printed parts? As in the (rapid) shrinkage of the cooling down material? Either the material (PLA, ABS, PETG) is cooled down too fast either by too much cooling, too fast temperature changes of the bed,…
Bob Ortiz
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How to find the weakest point of a model?

I would like to use some kind of simulation software to test my model and find the weakest points for example when pressed or stretches from different angles or positions. Under different loads or conditions, temperature or humidity. How is such…
Bob Ortiz
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Does rPLA stand for Recycled PLA, or is it a different type of material?

I see mixed terms such as 'rPLA, Recycled PLA, Recycled rPLA' used by different filament producers without a clear explanation or a standard definition. Does it all mean Recycled PLA, or is rPLA a different material?
Bob Ortiz
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Is the term 'biodegradable' in the context of PLA misleading or misunderstood when industrial conditions are required to achieve it?

According to the Oxford Dictionary (Google), the definition of biodegradability is as follows: (of a substance or object) capable of being decomposed by bacteria or other living organisms and thereby avoiding pollution. The definition for the term…
Bob Ortiz
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Is there a metric that defines the abrasiveness of filament?

All filament is abrasive to some extent. Speciality filaments such as carbon fibre filament even more so. How is abbrasivness defined for filament and is there a metric that defines the abrasiveness of filament? If available, are there any filament…
Bob Ortiz
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Bolt hole terminology for "tight" and "loose" bolt holes

When a hole is created for a bolt, it might be "tight"; the intent is for the hole to be tapped. Or it might be "loose", and the intent is for the bolt to slide into the hole and attached to a nut on the other side. What is the terminology for these…
Mark Harrison
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