Questions tagged [knowledgebase]

For frequently asked questions or questions that discuss the basics of 3D printing.

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Updating Marlin Firmware - Step by Step Guide

Note: This question is meant as a wiki to include all steps that are needed to update your printer with a self configured Marlin firmware version. The answer is a wiki that is currently in development ...
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2answers
534 views

M502 will reset all configurable settings to their “factory defaults”, which settings are those?

From the M502 documentation page can be read that M502: Reset all configurable settings to their factory defaults. Please ...
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2answers
2k views

How to calculate the proper layer height multiples?

We all know, that the best layer hight is, when you have multiples of full steps. If it is not, sometimes steps get skipped and end up bad layer-to-layer adhesion when one height step missed a tiny ...
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2answers
439 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 ...
6
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2answers
3k 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?
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1answer
6k 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 ...
6
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3answers
321 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
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1answer
2k 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 ...
5
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2answers
140 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 ...
4
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1answer
726 views

How does a UV LCD 3D resin printer work?

I've been wondering this for a while, and have searched for hours and have found nothing except undetailed explanations and projects. How does a UV LCD 3D resin printer cure resin exactly? I ...
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2answers
13k 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?
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1answer
12k 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 ...
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1answer
2k 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 ...
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4answers
16k 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 ...
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2answers
501 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 ...
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2answers
20k views

How to center my prints on the build platform? (Re-calibrate homing offset)

When I print large prints close to (but not exceeding) the maximum dimensions of the heated build platform on my Anet A8, the brim or skirt or the print itself is printed outside the heated bed, while ...
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5answers
3k 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 ...
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2answers
12k 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 ...
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2answers
503 views

3D printing references for beginners

I have just received a 3D printer for Christmas (Robo R2). I am confused by the sheer amount of settings that I can tweak and I'm hesitant to do so until I know more about them. I was wondering if ...
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3answers
299 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 ...
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1answer
8k 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
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2answers
15k 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 ...
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3answers
12k 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 ...