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Questions tagged [extrusion]

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

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New Creality branded direct extruder clicks, won't extrude

I have an Ender 3 Pro (4.2.2 board). I just installed the Creality branded direct extruder/hot end. I was going to try and calculate my steps/mm for the extruder, but I am just getting clicks from the ...
Alan's user avatar
  • 61
4 votes
1 answer
166 views

G-code for stationary extrusion

I have this electro-magnetic droplet (EMD) printhead from Cellink that allows for extruding droplets. I would like to extrude droplets at specific coordinates while the printhead is stationary, ...
Rishi's user avatar
  • 81
2 votes
1 answer
66 views

Does the E-Value always define the filament length extrusion in millimeters and/or does it directly give a stepper rotation?

I understood on a fundamental level that E-value (in G-Code) was the length of filament pushed in millimetres. i.e. E=10 is 10 mm filament to push (with a firmware like Marlin translating this value ...
Arthur Mamou-Mani's user avatar
1 vote
1 answer
76 views

How can I improve print speed with carbon fiber nylon and an 0.4 mm nozzle?

I have been trying to print fiber-filled nylons (Polymaker PA6GF and Taulman PA CF) on my Prusa i3 MK3S+ with a steel E3D 0.4 mm nozzle at a reasonable speed. I print at 290 °C for the Polymaker and ...
TreeBarkEater's user avatar
3 votes
1 answer
82 views

How does pressure advance predict pressure without having actual pressure data?

I'm exploring the concept of Pressure Advance and its ability to predict and adjust pressure changes in the extruder. The image below shows the effects of Pressure Advance: Source: Teaching Tech via ...
Bob Ortiz's user avatar
  • 1,157
0 votes
0 answers
232 views

Ender 3 s1 Pro, Cura, and Bondtech CHT 0.4 mm nozzle

So I swapped the standard Ender 3 S1 Pro 0.4 mm nozzle to a Bondtech CHT 0.4 mm nozzle to increase my flow rate, but I am a newb and not really sure what to do to start dialing this in. I have not ...
Chris DeSanto's user avatar
0 votes
0 answers
64 views

Rough printing surface

I'm new to 3d printing, printing with Creality Ender-3 S1 Pro. I had printed out some downloaded complicated parts and some simple parts of my own, and I was really impressed with surface finish. Now ...
mieva's user avatar
  • 1
0 votes
0 answers
40 views

Extruder motor not running

I have run into an issue in which my extruder motor isn't running on my Voxelab Aquila. This issue just came up yesterday when I started a print and noticed that while the X and Y axes were moving ...
Serenade's user avatar
1 vote
0 answers
149 views

Consistently inconsistent/blobby first layer

Info: Printer - Creality Ender 3 V2 (slightly modified) replaced original hotend with another standard hotend (same model) PEI coated magnetic bed (printing on rough side.) CRTouch ABL Filament - ...
yasu3d's user avatar
  • 11
0 votes
0 answers
54 views

Over Extrusion Around Radius

I have a Ender 3 S1 Pro, and I'm using PrusaSlicer to slice because it has some features I need that Cura doesn't have yet. The problem I'm running into is that when it goes round a bend it will over ...
Vandel212's user avatar
  • 367
2 votes
1 answer
799 views

Creality Ender3V2 extruder calibration

I have a Ender3V2 Creality 3D printer. I recently changed the extruder for a metal one because the previous was broken. I have troubles to print now. The adhesion layer peels off easily (kinds of ...
AnchorInk's user avatar
5 votes
1 answer
341 views

Printer stops extruding at same point on each pass

Issue: I realized that the filament extrusion always stops at the same spot for a couple seconds then starts back, I know it's the printer and not the filament, I can see the gear literally stop for a ...
Hadron's user avatar
  • 153
0 votes
2 answers
122 views

Weird Pattern First Layer Extrusion

I'm working on tuning an old Ultimaker 2 Go, and I'm having some weird extrusion issues. The printer uses a Bowden extruder. Extrusion seems to increase and decrease. I don't think it is the filament ...
Gart Hondo's user avatar
0 votes
1 answer
258 views

What should one do to ensure ABS sticks to bed?

I'm trying to print with ABS plastic. I've only used PLA before. I'm using Anycubic Kobra Neo (Heated, PEI-coated bed). Originally, I just changed my plastic to ABS and tried printing with ...
keddad's user avatar
  • 103
2 votes
0 answers
225 views

Crealty Ender 3 v2; Impossible to calibrate extruder

I have a Creality Ender 3 v2 3D printer and I recently had trouble while printing. After some investigations, I found that a piece from the initial plastic extruder was broken (the lever with the ...
AnchorInk's user avatar
5 votes
3 answers
4k views

How to I eliminate these "squished" layers that appear on my prints?

While I was setting up a new Ender 3 v2, and tuning the z-steps value, I noticed that some layers were extending beyond the others in the x and y axes. I didn't notice any pattern related to which ...
Dennis Wurster's user avatar
1 vote
0 answers
379 views

Ender 3 Pro extruder skipping and knocking, tried multiple things

I recently purchased some MatterHackers Quantum PLA and began printing on my Ender 3 Pro. I successfully printed three times with no problem, on the fourth print about 2 hours in, the extruder started ...
Ethan Child's user avatar
1 vote
0 answers
393 views

Why the extruder is making this noise? CR10 Smart Pro

The extruder makes a weird sound like moving an old door without an oily hinge - both when advancing or retracting. This video shows the problem: https://www.veed.io/view/055d1724-838a-48d1-98d7-...
Mehdi Yeganeh's user avatar
4 votes
0 answers
902 views

How I can turn PET plastic into PETG?

With a friend, we managed to successfully make ABS filament and print with it (even though we sold a couple of spools) now we want to turn our attention to PET. The problem is that it's really hard to ...
EL TALLER DE LUCAS's user avatar
7 votes
1 answer
1k views

Sudden Extreme Z-Banding

I am experiencing an extreme Z-banding issue that has come on all of a sudden. I'm quite new to 3D printing and I have just taken a deep dive into printer calibration by going through the Teaching ...
SecretAardvark's user avatar
1 vote
1 answer
225 views

Why Does My 3D Printer Stop Extruding PLA?

I have an Ender 3 V2 which is around 6 months old. Recently, extruding slowed to an almost complete halt seconds into a print for no apparent reason. The extruder works perfectly when extruding ...
Jacob Boughton's user avatar
2 votes
3 answers
2k views

Filament end expanding and seizing

This is a continuation of this question where comments and answers were extremely helpful in diagnosing the issue, which I am still unable to solve. I determined I have the problem shown in figure 3 ...
php_nub_qq's user avatar
0 votes
0 answers
41 views

Print Fail: Partial Mess - What are possible causes?

Can anyone help explain what might be wrong to do this? I am printing a bunch of the same item.
Doug's user avatar
  • 155
1 vote
1 answer
157 views

Is it possible to manually 3D print on an uneven surface?

I chipped off a bit of my otherwise perfectly usable laptop battery and would like to rebuild it. Consider the following picture: Now compare it to what is visible e.g. here. I'm curious if it's ...
d33tah's user avatar
  • 111
2 votes
1 answer
675 views

Ender 3 Pro: Flow rate drops after time

I have to set my print flow setting extremely high (up to 180 % and more) as otherwise, I get an under extrusion. I have also noticed that from time to time I have to update that setting to an even ...
Paul's user avatar
  • 123
0 votes
0 answers
616 views

CR6-SE issues after a year and ~15 kg of PLA

I've had a CR6-SE for just over a year now and am not new to 3D printing. However, prior to this I had access to a pretty much brand new Ultimaker S5. When my CR6-SE arrived, it was essentially plug ...
Ben Bird's user avatar
  • 101
1 vote
1 answer
1k views

Is there any print quality difference switching from brass to steel nozzle?

Brass has better thermal conductivity compared to steel or hardened steel but it has also far less wearing resistance especially compared to hardened steel that among brass and normal steel has the ...
AndreaF's user avatar
  • 227
0 votes
2 answers
2k views

Ender 3 Pro extruder motor failing constantly

I have had my Ender 3 Pro for about 2 years now and it has been working amazingly! Since November it's struggling very much while printing. I am quite sure the problem lives on the extruder motor. ...
Federico Perez Diduch's user avatar
5 votes
2 answers
148 views

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 ...
Jonathan L.'s user avatar
1 vote
1 answer
135 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 ...
DragonflyRobotics's user avatar
3 votes
3 answers
3k views

Filament Jamming in Hotend. Why?

This has me stumped. I had been printing normally until this happened. Below is an expurgated version of my headache over two days. Some help would be appreciated. Printer is Hypercube Evolution (...
Ramblin' Sid Rumpo's user avatar
2 votes
0 answers
95 views

Over-extruding on small layer heights (0.06 mm), but fine above 0.15 mm?

I re-assembled an i3 that used to be on a production line. It works OK when the layer height is set to 0.15 mm, but it over extrudes “A LOT” when used with a layer height like 0.06 mm. At first I ...
Emilio's user avatar
  • 121
0 votes
1 answer
196 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 ...
Andrew Ebling's user avatar
1 vote
6 answers
151 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, ...
X Builder's user avatar
  • 405
1 vote
3 answers
137 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 ...
Guy Turner's user avatar
2 votes
0 answers
38 views

Custom slicing solution needed

So I have a printer that I'm prototyping right now, and it's a little different; the Y-axis is a rotary drum. To compare to a bed-slinger, instead of the surface traveling forward and backward, it ...
Kynimer's user avatar
  • 21
2 votes
3 answers
20k views

Inconsistent layer widths and uneven outer walls

I have problems with layer widths and uneven outer walls on my 3D prints. Sometimes layers are squeezed and sometimes pushed outside. I noticed that these problems happen when there are retractions on ...
kosteklvp's user avatar
  • 1,181
3 votes
2 answers
2k views

Why does FlashPrint have different (non-100%) default extrusion ratios for different filaments?

In FlashPrint there is an Extrusion Ratio setting. It's set to 97 % for the stock PLA profile and 107 % for the stock PETG profile. I would've thought these would be 100 % by default (and the same for ...
Danny Tuppeny's user avatar
3 votes
2 answers
3k views

Extruder stops printing before finishing first layer (Ender 3 v2 w/BIQU H2)

Let me preface this with me being quite a newbie to 3D printing, however, I am an engineer and coder, so tinkering with stuff like this is quite the norm for me. Don't be afraid to be too technical, ...
user995551's user avatar
1 vote
1 answer
806 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 ...
TreeBarkEater's user avatar
1 vote
1 answer
2k 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 ...
Zeiss Ikon's user avatar
  • 1,730
3 votes
1 answer
217 views

Ender 3 extrusion not working properly

I got a new hotend for my Ender 3. When I start to 3D print a model, everything seems to be going well. After about 20 minutes or so the extrusion stops and the extruder motor can't push the filament ...
X Builder's user avatar
  • 405
4 votes
0 answers
2k views

Inconsistent layer stacking

I'm throwing this out that as a long shot, as I'm not sure if anyone can help me, but maybe there's someone out there who had a similar issue and might have successfully dealt with this before. I'm ...
Matt's user avatar
  • 149
1 vote
0 answers
103 views

Bioprinter does not extrude Anet A8 Marlin

I have a modified Anet A8 that is supposed to print hydrogels (paper : Ultra-Low-Cost 3D Bioprinting, Kahl M et al. 2019). For this to work, we do not need any temperature-related settings, however, I ...
Andris Gyori's user avatar
4 votes
4 answers
2k views

Prusa MK3S not extruding during printing but extruder working

I didn't have any printer-related problem for the past 6 months, but now all of a sudden my Prusa MK3S stopped extruding during printing. This is very strange as I can easily load\unload filament and ...
StLuke5's user avatar
  • 545
1 vote
1 answer
79 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 ...
Ankit Kumar's user avatar
0 votes
1 answer
618 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 ...
Hexil's user avatar
  • 1
1 vote
0 answers
1k 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'...
R.. GitHub STOP HELPING ICE's user avatar
1 vote
1 answer
1k 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 ...
Jester0153's user avatar
1 vote
0 answers
233 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 ...
Carson's user avatar
  • 11