Questions tagged [print-quality]

Questions about troubleshooting and achieving certain print-quality. Please include photos of your problem, and also describe what the limits of your 'good' prints are.

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Print turns into spaghetti on Ender 3 Pro

So I was printing a low poly bunny and all of a sudden the new layers didn't adhere to the other layers. I don't think it was printing an overhang. I have an ender 3 pro which I use together with Cura....
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Saggy vase walls. What are the tricks to successful vase mode printing?

I've tried printing in vase mode (or "spiralise outer contour" in Cura) and while the floor looks fine, the vertical sides look "saggy" I'm using a 0.4 mm nozzle, with eSUN PLA+ at ...
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Engraved text (on a cylinder). The printer wasnt able to display the font style correctly,

Printer: Elegoo Mars 3 LCD Resin printer The letter height is about 3 mm. I engraved a word (text) on the side of a cylinder (which is about 14 mm in diameter and 4 mm in height). I am not sure about ...
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Do flyback diode filters in stepper circuits improve print quality?

Do the add-on noise reduction boards (variously called Schottky diodes, flyback diodes, noise filters) installed ahead of the stepper motors really improve print quality on FDM printers? I installed ...
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What's causing this lack of layer adhesion after a crash?

I recently had a print failure/crash, where the print stuck to the nozzle and forced molten filament back into the print head, fans, and heater block. I changed the nozzle for a new 0.4mm same as ...
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X-axis taper problem

Tronxy P802M I believe. PLA. The calibration cube is tapered on one side of the X-axis only. Everything else looks good. The top is almost 1 mm narrower than the bottom, but only on X-axis.
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What is causing these severe print errors on an Ender 3? [closed]

I've noticed a lot of beginners with the Ender 3 are getting blobby prints. The default nozzle temperature with the slicer and printer is 200 °C. The filament's manufacturer's suggested nozzle ...
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Circle isn't in the shape of a circle

Printer doesn't print perfect circles while calicat is perfect and top layers look weird on Ender 3 Pro: I used Cura and an Ender 3 Pro, eSun PLA+, print at 210 °C.
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Severe blobbing prevents printing. What settings can I change to fix this?

Bought a new printer. When this problem has happened anywhere from the third to the twentieth layer up. An excess of filament suddenly exits the nozzle, often pulling the print from the bed when the ...
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Can't get rid of horizontal layer lines?

I have an Ender 3 V1 3D printer. When I first got the printer and assembled it, I was able to get very good prints. My post is specifically about horizontal layer lines, and initially with my printer, ...
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Under what circumstances are 3D printed parts actually viable with a desktop printer in comparison to other production methods?

As an engineer I was initially interested in making parts. For example I designed and printed a better part for something which wasn't available locally, and even had a client who wanted 150 of them. ...
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Practical overhang limits

What are the real overhang limits? I see a lot online about 45 %, then up to 60 %, but I'm routinely doing them at up to 90 % for "shortish" distances and 80%+ for several centimeters at a ...
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Anet A8 inaccurate printing

I'm trying to print this with an Anet A8 It's supposed to be completely cylindrical but it's printing it all wobbly and with edges. I'm a complete noob with 3D printing, so any tips would be highly ...
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What are the limits of SLA 3D printing for optical lenses (eg : glasses)

I'm interested in making optical lenses, but I do not want to spend to much on it. What are the limits and criteria which will help me decide which SLA printer will make it possible or not ? I suppose ...
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Is there an extensive XYZ Cube diagnosis resource?

I love the idea of the XYZ test cube to help diagnose my bad prints. I’m able to find online very common print issues however am looking for a resource that is more extensive. Often I run into a ...
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Why layer shifting prints on Ender 3 Pro?

Prints on an Ender 3 Pro using a standard printing profile results in layer shifting or over extrusion. I can’t figure out what the problem is. I tried reducing the flow as well as print speed but ...
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Micro swiss direct drive for Ender 6

Microswiss does not mention Ender 6 to be a machine that is compatible with its direct drive. However, I have landed myself in a position where the printer I am using currently has a micro swiss ...
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"Blobs" at beginning and end of layer and no adhesion

I am trying to configure my Ender 3 v2, but I am having (again) trouble with layer adhesion: With the CHEP leveling test I am having these problematic "blobs" at each lower left of the ...
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Bottom part of spherical objects print problematic

I got a Flyingbear Ghost 4 and using Cura. It is doing fine until I have to print spheric things. I'm using a high density material that needs to be at 210 °C and slower print speed. I also built a ...
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What causes inconsistency of sizes?

I printed this hook that must have 2.8 mm thickness of all walls: But actual sizes differs: And I think this is a reason why the 3.0 mm wall has a gap. Printed with Monoprice Select Mini v2, nozzle ...
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1 answer
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What cause the pattern in a large area?

Every time I print a large area I get the pattern in the middle. Below picture was taken during printing. The material isn't evenly laid flat on the bed and some are being scraped up. It appears from ...
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1 answer
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Issues with layer changes/z-seam

I have a Creality cr-10 printer. Everything is stock except for the direct drive extrusion system (I bought a conversion kit from Micro Swiss). I have been working to dial in my settings, and I think ...
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3 answers
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Issue with uneven surface when printing speed changes

I'm trying to get good-quality thin wall prints with PLA on my Creality CR10s Pro V2 using Cura. After hours of calibration and testing, I'm getting quite good results. However, there is one issue I ...
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2 votes
1 answer
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Bumps on outer walls consistantly affecting lower layers

I recently purchased a Creality Ender 3 Max as my first 3D printer and overall I am quite impressed with the print quality after only leveling the bed. However, every print I have done so far has had ...
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Are those cheap ANYCUBIC 3D printers worth it's money? [closed]

I would need a simple 3D printer for small 3D objects. I have seen that for example ANYCUBIC has very cheap ones. Are they worth it's money?
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Lower side of print rough on personal protection print

I’m new to 3D printing and printed a few things that came out fine on my Ender 3. But when I print something like a cat protection baton, Kubota self-protection or anything that will have a “floating ...
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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 ...
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Strange lines at specific intervals on flat surfaces

I've got a strange problem when I print "large surfaces". I've got lines that happen all directions at regular intervals. Almost as if there were certain patches where there's overextrusion ...
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1 answer
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Topology problems

My model is purely quads, (I know about tris/quads for .stl files and other formats, etc.) but when I import it in slicer software (Ultimaker Cura), it changes the topology (and that repeating ...
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Why does my printer stop extruding towards the end of the print?

I am new to 3D printing and I have been doing some test prints on my Ender 3 v2 that turned out fine. I then decided to print the Death Star, which requires three pieces. The first two printed well, ...
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Weird lines in the print at specific heights

I recently upgraded my Ender 3 printer with all metal extruder and upgraded my mainboard from 4.2.2 to 4.2.7 silent board. I also added a Creality touch sensor for auto bed leveling. Before these ...
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1 answer
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Some problems with printing on my Ender 3

This week I got an Ender 3. When printing the models, I get some inaccuracies on them. I tried printing a low-polygon chess rook, and it isn't printed accurately. It has these additional plastic ...
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1 answer
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Massive blobs/under extrusion/"pearl necklace" only after first few layers (Ender 3 V2)

I am struggling with a problem. In short: I have managed to set up my Ender 3 V2 in such a way that the first few layers print (almost) perfectly, but after the first few layers (do not know exactly, ...
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2 votes
2 answers
114 views

Evenly spaced bulges and one spot of localized underextrusion

I am having two separate issues. One is specific to this particular model, the other is on all my prints, but more pronounced on 90° vertical walls. The first issue is a localized area of under ...
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2 votes
0 answers
162 views

Gyroid infill affects outer walls

I was printing test cubes to adjust my extrusion ratio, and had ugly walls. I noticed that the pattern on the walls was always the same, and disappeared if I chose 0 % infill (gyroid from PrusaSlicer)....
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3 answers
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Non-Manifold .stl file won't print properly on my ToyBox 3D printer

I am trying to print this really cool flying toy model on my ToyBox 3D printer, but when I try to print the "copter_key-175.stl" file it complains it is a "non-manifold shape". How ...
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3 votes
1 answer
140 views

One rough corner with blobs

Neptune 2, Polyterra PLA at 200/45 °C, Cura 4.11. I'm tuning the settings and one of the test prints is a keycap, all the corners except one print just fine, that problematic one shows heavy blobbing ...
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2 votes
2 answers
57 views

Large prints cracking

I'm trying to print large objects (around 1 meter squared) with polycarbonate pellets. The problem is sometimes the print cracks. It is not due to delamination as it is a shear crack across multiple ...
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1 answer
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3D printer in a wardrobe

I was wondering if I can/should put my 3D printer into a wardrobe. Would it make my clothes smell? (They won’t be directly next to it) . I was wondering if it could make the printer overheat, or make ...
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2 votes
1 answer
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Pimples/blisters on some curves - cause?

I've noticed my Ender 3 V2 printing odd little bubbles of material on curves. Is this over-extrusion? I'm using Creality PLA at 210 °C with a bed temperature of 60 °C The opposite side of the same ...
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Why are Islands sometimes detected when you combine Chitubox file, but not when you slice models individually?

When making large or complex models I frequently divide them up into smaller parts for printing on my Elegoo Saturn resin printer. I find it easier to paint the parts separately and then combine them, ...
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OctoPi and sub-recommended hardware spec? [duplicate]

I have an Ender 3 V2 running off a Raspberry Pi and Octoprint, and it works. I'm trying to tune the prints and improve output, and I'm not sure how much impact the Pi has on the print quality. The ...
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2 votes
2 answers
2k views

Ender 3 Pro elephant's foot

I recently got an Ender 3 Pro and had a blast with it for the first few days, but then I got greedy for a better print and threw off my calibration with some "upgrades" and ended up with ...
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3 votes
0 answers
109 views

Weird wall patterns on Ender 3 Pro

I have an Ender 3 Pro with a 3D printed direct drive extruder on it. After switching to the direct drive, I noticed weird lines and patterns forming. I've tried everything imaginable, besides it ...
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2 votes
2 answers
2k 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 ...
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4 votes
3 answers
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Bed surface stability vs head movement efficiency question

I have an STL (Raspberry Pi 4 casing) that automatically places itself like below on the bed surface: Would it be a better and more efficient print if I place it like this: At first, I thought this ...
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1 vote
1 answer
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Under extrusion issue only in one vertical area but inconsistent

This is a new issue to me. I'm using Repetier and Cura to slice. I never had issues prior to this. What is throwing me off is the issue (Which appears to be under extrusion) only occurs on the front ...
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3 votes
2 answers
109 views

Need help printing a quality first layer, but having adhesion and fill issues

I am attempting to print a model that is too tall to print up-right and it has a large flat side that would be my first layer but ultimately would be the side of the object and I'd like it to look ...
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3 votes
2 answers
133 views

Lead screw orientation

Wouldn't it be better to mount lead screws with the motor on top and the bottom end unconstrained? Compared to the conventional way (motor on the bottom) the lead screw would be under constant tension ...
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2 votes
1 answer
70 views

Exploding bubbles while printing polycarbonate

I have a Kuka robot that I use to print large objects (output around 18 kg/hour). I am printing recycled polycarbonate pallets. The problem I am having is that exploding air bubbles are appearing ...
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