Questions tagged [terminology]

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

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8 votes
1 answer
719 views

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?
  • 203
6 votes
2 answers
1k views

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?
  • 32k
3 votes
1 answer
4k views

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?
  • 32k
0 votes
1 answer
80 views

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 ...
8 votes
2 answers
204 views

Where did Marlin get its name?

Does anyone know how the developers of Marlin decided to name it that?
1 vote
2 answers
42 views

What the adjective "downstream" is used for? [closed]

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. ...
4 votes
3 answers
431 views

Is there a difference between 3D printing and additive manufacturing?

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