Questions tagged [knowledgebase]

For frequently asked questions dealing with the basics of 3D printing.

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4
votes
1answer
49 views

How to pause a print to insert something in a cavity using Ultimaker Cura?

I have a model that contains a cavity, into which I want to insert a piece of metal, so I can use a magnet to stick to the print. How can I introduce a pause into the G-code without manipulating it ...
5
votes
2answers
107 views

What is a printer console/terminal?

I read that G-code commands can be sent through a console/terminal over USB. What is a console/terminal and how do you use that?
1
vote
1answer
157 views

How to activate Power Loss Recovery in Marlin?

Standard Marlin has one problem: when the power suddenly is gone, the print is gone. Prusa and many china printers however come with "Power Loss Recovery" or "Power Out Protection" or similar. But ...
5
votes
3answers
134 views

Why do different drivers change the noise of steppers?

I've upgraded my stepper drivers. I'm looking to understand why my stepper motors made noise in the first place.
4
votes
1answer
303 views

What is the functional difference between an e3D-Style nozzle and M6 Chinesium Nozzles?

There is pretty much an ecosystem of two Nozzle designs out there that share the M6 thread on the coupler to the Heating block: the e3D "snub nose" or "shouldered" design. the "Chinesium" nozzle ...
4
votes
2answers
132 views

Which software do I need to start print something?

I'm still new to 3D printing and I want to print something. I expect that I'll mess it up since I find nothing to adjust it but it is now laying around for 4 months and I'm sick of it. So my question ...
8
votes
2answers
3k views

What is Thermal Runaway Protection?

What is Thermal Runaway Protection (TRP) and why should I enable it? How does one do so in Marlin?
1
vote
1answer
1k views

How to set Z-probe boundary limits in firmware when using automatic bed leveling?

In setting up a probe for automatic bed leveling, the limits of the probing area must be entered in the firmware of a 3D printer. When using a sensor, how do you define the bed limits for the sensor ...
4
votes
1answer
1k views

Slicer line width vs. extrusion multiplier for layer adhesion?

My question would like to address what would be better for adhesion and general quality and possibly strength: either increase the slicer line width option or increase the slicer extrusion multiplier ...
9
votes
4answers
7k views

Why is it conventional to set line width > nozzle diameter?

I recently became curious about the Line Width setting in Cura and why one might change it if they aren't using different size nozzle. Since I've gotten my Ender 3, I've always kept the line width ...
3
votes
2answers
352 views

What special considerations must be taken when designing parts for 3D printing?

What are the 'headline' basic design rules for FDM? Which topics for design principles do you recommend to someone who has purchased an FDM machine and wants to understand what is practical? In ...
6
votes
5answers
2k views

Fix ghosting problem (damping versus bolting printer to a desk)

I have a Monoprice Maker Select v2. It is the kind where the moving plate (heat bed) provides the Y-axis and the moving extruder provides the X-axis. It has a fairly rigid sheet metal frame. In ...
3
votes
2answers
9k views

What causes “ghosting”?

I am printing some minion chess pieces for my teacher at school and on every model I have found something called "ghosting", or at least I heard that is what it is called. For example there is a strap ...
7
votes
2answers
351 views

3d printing references for beginner

I have just received a 3d printer for Christmas (Robo R2). I am confused by the sheer amount of settings I can tweak and I'm hesitant to do so until I know more about them. I was wondering if ...
8
votes
3answers
218 views

Are there any “best” or at least “common” practices to handle allowances in OpenSCAD code?

I'm designing a few mechanisms with OpenSCAD, and one of the parameters that need adjustment between printers/filaments is allowances between pieces that need to be assembled together (for example, if ...
12
votes
1answer
5k views

How may I identify the firmware in use on my 3D printer?

I have a generic printer with no support documentation. How do I determine what firmware is in use so that I can research how to make the print run?
11
votes
2answers
12k views

How to choose an extrusion temperature?

From what I've been able to find out, online sources recommend around 205ºC for PLA and around 240ºC for ABS. But these are only guidelines, of course. Optimal printing temperature can be different ...
10
votes
3answers
9k views

What's the advantage of two z motors?

Some RepRap models use only a single motor for the Z axis, others use two. For example, there is the 3drag that has only one motor and a smooth rod on the other side. There are modifications that add ...