Questions tagged [extrusion]

Questions about extrusion mechanisms in varying types of 3D printers or the extrusion process.

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How is the Ex.xxx calculated? [duplicate]

How is the Ex.xxx calculated, formula G1 X129.000 Y126.322 E7.90758 G1 X128.476 Y125.548 E7.92045
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0answers
76 views

Extruder calibrated, but prints still oversized by .1 mm or so

I've got a pretty straightforward problem. In general my printer is very accurate for the XYZ movements. What I'm running into is no matter what size my print is, the XY dimensions will be thicker by ...
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5answers
196 views

Will 3D printing work upside down or in zero gravity?

I assume SLA printing only works on Earth and upright. But would fused-filament printer (e.g. Prusa Mk3) work in zero gravity? What about upside down or sideways? If not, could it be modified to work ...
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2answers
628 views

Which hotend does not clog and is good to use with a Bowden 1.75 mm setup?

I'm building my own 3D printer (custom design, made by me and cut using a water cutting machine) but I have always had problems with the hotend clogging. I have had four hotends: a J-Head; a full ...
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1answer
161 views

Ender 3 v2 layer skips

I am having some issues with my printer skipping/not extruding random layers of my prints. It happens a few layers in and sometimes doesn't even affect the entire layer. I have tried switching from ...
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1answer
36 views

Prints have over extrusion only during diagonals

So I have printed multiple benchies with various slicer settings. I have also made sure my bed is leveled well. But no matter what I do, I get these over extrusion whenever my nozzle is moving in ...
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1answer
161 views

How is the extrusion rate matched to the movement speed?

A typical line of (depositing) G-code seems to set a maximum speed (F), a new position to move to (X, ...
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3answers
964 views

Optimum ratio of line width to layer thickness for overhang performance?

When I have overhangs in my model, Cura colors them red. However, I noticed if I make layer thickness thinner, the red area is reduced or disappears. This could mean that thinner layer thickness is ...
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2answers
2k views

Creality CR-10 problems with extrusion while printing

I have an extrusion problem with my creality CR 10 3D printer while printing. I am using a standard 0.4 mm nozzle with a 1.75 mm diameter PLA and I use Cura as my slicer. This printer ...
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1answer
3k views

Ender 3 Pro extruder drive rocking back and forth

I've been running this Ender 3 Pro for quite some time with no problem up until recently. The issue was the printer refused to extrude filament (the extruder stepper seems to be rocking back and forth)...
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2answers
144 views

3D printing overhangs that are over .200 in

I am new to 3D printing but have been in CNC Machining for a few years. I have a part I am trying to print that is a cylinder 1.000 in. in diameter and has a .200 in overhang starting at 1.300 in. In ...
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1answer
487 views

Strange banding on first layer/skin

I've been printing for a while with a Creality CR-10S with Colorfabb black PETG economy and all was good. Until today, where on a large, flat print (30x10cm - a small drawer) I can't manage to get a ...
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2answers
2k views

Is my printer over extruding?

I'm getting some slight pooling on the end of straight lines on my Ender-3 Is this due to over extruding? Or some other issue?
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1answer
2k views

3D printer extruding too thick

Last night there was an error in printing that caused the printer to stop printing, but kept the hotend on. This morning I discovered that it had fused to what it was printing after renaming on all ...
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1answer
26 views

Filament Spool Stalls Extruder Motor Destroying Print

I am having the frustrating problem where my extruder motor starts skipping steps and stops extruding simply because my filament is wound too tightly. There are some parts of my filament that are so ...
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1answer
104 views

What makes a new nozzle clog before I can finish the print?

I found my Ender 3 was skipping extruder steps a lot, mainly while printing infill (tri-hex at 30%), to the point I saw several layers of infill with spotty extrusion or nothing adhered at all. When I ...
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1answer
638 views

How to change the extrusion value (E parameter) in G-code?

Before I ask you my question I want to summarize my problem. I am trying to build my personal 3D Printer and I can send the controller of my Extruder (Motor) only integer values. Slicer (Cura) ...
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1answer
667 views

Incorrect inner dimensions of 3D prints with Ender 3

I have problem with my Ender 3. Whenever I print, I have proper outer dimensions (accuracy usually better than 0.1 mm, sometimes a bit worse), but every hole, pit or any inside dimension is inaccurate ...
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2answers
42 views

Help fixing Prusa i3 MK3 print jams

While printing a paint rack from thingiverse I keep getting jams. Other prints (shorter) work fine. Can anyone give me a clue? Here's a video of the printer I thought it was heat creep so I increased ...
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1answer
49 views

What causes this characteristic pattern and what is it called?

I am using a Qidi Tech 1 (Flashforge Creator Pro). There is no auto bed leveling and I have done my best to tweak it by hand using the screws underneath the heated bed plate. What is causing this ...
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1answer
99 views

Resume print but no extrusion

Had a print stop about 20 % through and read through some old questions (3+ years) so I'm posting again. Apologies if it's in here some where... Found the layer to restart, deleted everything from ...
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1answer
312 views

Filament consistently jamming / clogging in Bowden tube on MP mini 3

I've had this MP Select Mini III for years and years. Lately it's consistently jamming/clogging somewhere between the hot end and the PTFE tubing - but not right away, often when it starts getting to ...
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1answer
432 views

Causes of over-extrusion?

What could be the causes of a consistent over-extrusion? I know about these: steps/mm of extruder motor set too high larger filament diameter slicer setting: filament diameter - setting it lower ...
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1answer
94 views

PLA support material suddenly a problem on Ender 5

I have an Ender 5 that I meticulously calibrated with good success and was regularly getting great print quality with PLA. I stopped using it for a couple of months and when I resumed (without having ...
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1answer
155 views

Monoprice select mini underextrusion?

Can someone please review the picture and tell me things to try to fix, the threads are full of little gaps. The layers that are solid, below the threads have a tiny bit of space between them. Is it ...
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2answers
423 views

CR10 V2 under extruding and heating up too quickly

The heater cartridge on my CR10 V2 broke so I ordered a new one(12V). After replacing it the new one heats of very quickly past the target temperature and the slowly decreases to the target. Once it ...
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1answer
135 views

Gobs of filament during initial movement of extruder

I have successfully printed a few models on my Maker Select V2 (Wanhao Duplicator i3) including 3D Benchy, but I'm seeing a consistent problem with a model that I've sliced with Cura. The extruder ...
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1answer
742 views

How to calculate the extruder gear ratio given a desired max printing speed filament diameter and nozzle diameter?

I have a Printrbot LC with the following extruder gears: Stepper on the right, filament toothed gear inside, same size of the small stepper gear. I don't have much more information besides the model ...
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1answer
167 views

Periodical under extrusion with Slic3r

I got myself an Ender 3 printer, put it together and tried the test g-code, worked fine. But i sometimes have problems with under extrusion, as shown in the picture below. As you can see, the part to ...
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2answers
423 views

Filament gets coiled inside the extruder

A while ago bought a Bowden extruder to replace the old built-in one (It was malfunctioning or something that I cannot remember well). This one in particular has been acquired: The thing is, that ...
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1answer
676 views

Stuck getting ANet A8 Printer to build layers [duplicate]

I have excitedly decided to get my feet wet in the 3D printing world, and being that budget is fairly small got myself an ANet A8 3D printer. I have it all assembled and am able to 'print' however I ...
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3answers
578 views

How to fix bad extrusion on my printer

Around 30% into a large print I had to cancel as the layers of the print were not full layers and looked very stringy. Here's a couple pictures of what it looked like. I have a feeling that it may be ...
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0answers
65 views

What volumetric extrusion rates can the Ender 3's stock hotend achieve?

With a fully stock Ender 3, the limiting factor is almost surely the extruder, not the hotend, so I'm asking from a standpoint of having an upgraded extruder (mine is direct drive) but stock hotend. I'...
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1answer
125 views

Bed is leveled and not warped but still uneven printing?

I have the Creality CR-10S. I replaced the glass it originally came with as it was warped and I wasn't getting any material out on 2 of the sides. I switched to a PEI sheet and got the same results ...
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0answers
53 views

Top and bottom of part not coming out smooth

I have an Ender 3 printer and can not figure out why the top and bottom layer of this print comes out the way it does every print. I have tried increasing the initial layer height to 0.3 mm and ...
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1answer
96 views

Are there FDM epoxy/resin printers?

After seeing a question about FDM printing of temperature-resistant parts, high-temperature 2-part epoxy came to mind. Are there any (experimental or production) FDM extruders for laying viscous, fast-...
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0answers
192 views

Ender 3 Pro - Randomly skip lines

I am a newbie to the 3D printing world. Every night spending hours researching and troubleshooting. Recently though I am having a weird problem for which I can not figure out a solution. While ...
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1answer
217 views

Partially missed / dragged layers

I'm trying to diagnose a print issue that looks like a missed layer (sorry, first-time printer here) and Specs: Printer: QIDI Tech X-Plus (direct drive). Material: PLA. Extruder temp: 200 °...
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0answers
255 views

How to solve this extrusion problem?

I was using this model at 100% infill to test extrusion: The printer is an old Printrbot which I converted to Klipper, so I'm doing some tests to ensure correct parameters. ABS filament 3 mm (not 2....
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2answers
77 views

What is cause of blob when layer area reduces by 50%?

This is printing PETG extruding at 250 °C, 1st layer bed at 80 °C then 60 °C on other layers. Nozzle is 0.4 mm; printer is German Reprap X400. The all metal extruder is clean with no oozing. The ...
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1answer
22 views

Clearing persistent partial clog after printing nylon

My Prusa i3 MK3S printer experienced a partial clog last time I was printing with nylon. Although I've experienced clogs and partial clogs before, all the usual tricks I've tried have not worked this ...
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1answer
62 views

My Monoprice Select Mini v2 isn't pushing out filament and it isn't the nozzle

The printer isn't pushing out filament. I'm using the filament that came with the printer, and I know it's not the nozzle. I've tried to get the metal piece surrounding that goes from the Bowden ...
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1answer
99 views

Printer is over extruding for the first few layers

I'm facing a strange issue where my printer is over-extruding only for the first 6-8 layers (layer height of 0.2 mm). All the layers above that have no such issue, which, as far as I understand, rules ...
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2answers
930 views

Increase volumetric flow rate using a longer nozzle

I'm looking to increase the printing speed, through increasing the volumetric flow rate, which is currently at 5 mm³/s. Larger amounts cause the feeding mechanism to skip steps. I'm running at ...
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3answers
47 views

Do print issues (extrusion, blockage, etc...) become less of a problem with more expensive printers?

I own an Ender 3, it's about 3 years old and the issues I have with extrusion, leaking and filament blockage are monstrous. Examples of problems like this are filament flow issues, filament blockage, ...
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2answers
62 views

How do I make the layers stick together more and warp less?

I have a Chiron from Anycubic and I have had some leveling issues in the last few weeks, however, I believe that I have sorted that. The layers attached to the base plate or the raft now come out very ...

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