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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18
votes
1answer
8k views

How does one use a heat tower?

I've been asking around on how to choose the right temperature for a given filament. I noticed that with two different brands of pla I have to print at different temperatures, and the manufacturer ...
13
votes
3answers
36k views

What causes ripples on part of first layer?

I'm having issues with ripples on the first layer of big flat prints. The initial corner of a big flat print is fine, but then ripples begin to form as shown in the screenshot. I'm just a newbie, so ...
11
votes
9answers
36k views

First 3 mm prints poorly, then fine after that

I have an Ender 3 that I have been pretty happy with so far, however it recently started an odd behavior and I can't figure out what's causing it. What happens is that the first ~3 mm of the ...
7
votes
3answers
4k views

Avoiding stringing with flexible filament

I have some flexible PLA filament (https://www.amazon.com/dp/B00VKSSA4E/, presumably a mix of PLA with some platicizer) that's supposed to be easy to print with settings similar to regular PLA. I've ...
9
votes
2answers
23k views

Any fix for PLA prints getting more brittle over time?

I've been printing small quantities from a PLA filament spool on a Craftbot printer for about two months now. Recently the printed objects have been coming out very brittle. Some structures that ...
9
votes
4answers
908 views

Why is my print displacing along the y-axis by 2-3 cm?

I am encountering a problem with this ID3 printer using ABS -- at some point during the print the print head displaces on the y-axis by 2-3 centimeters. I cannot pinpoint how or why it is doing this. ...
1
vote
3answers
1k views

Does this microstepping test result indicate need for TL smoothers?

Note: The "TL smoothers" referred to in the question title are an arrangement of 8 diodes that presumably both provide a voltage drop to address the minimum current output issue of some stepper ...
5
votes
1answer
2k views

How can I stop the flare out of the bottom layers?

On nearly all of my prints, my first few layers are flared out slightly. I'm using painter's tape for the bed, and the bed temperature is at 60 °C while the extruder is at 205 °C. ...
5
votes
5answers
23k views

Difficult to remove support material

I'm having a lot of difficulty removing support material without damaging the print. Are there any tips/tricks to doing this or is it just a case of sanding, cutting, chopping and then cleaning it up ...
3
votes
2answers
1k views

PLA Issue printing first 3 mm with Ender 3 Pro

I´ve tried tunning printer settings with different Nozzle(190-210 ºC)/ Bed(0-60 ºC) Temperatures, Fan Speeds (0-100 %), Cura and Slicer adjustemens but nothing worked. I still get the ...
10
votes
2answers
9k views

How can I improve the overhang angles my printer can successfully print?

Using an FDM printer and PLA or ABS, without adding support material. What modifications can I make to improve how steep an overhang my printer can print before it starts having problems? The obvious ...
7
votes
2answers
959 views

Why does my domed print have a thin shell?

I am making a "fun button", with a dome-shaped top. The vertical sides, top center, and raised lettering seem fine, but the more sloped outer parts of the dome are very thin, with some gaps and the ...
7
votes
3answers
3k views

I am experiencing some severe under extrusion

I did calibrate the extruder to extrude exactly 50/100 mm and it is fine. I have replaced the old (prehistorical) extruder that was giving me the problem with a new one. The issue does not go away. It ...
7
votes
1answer
7k views

How to make moving parts not stick together?

I am new to the 3D printing world and I would appreciate if someone can give me advice on how to 3D print moving parts without them sticking together. I recently 3D printed the predator pliers from ...
7
votes
2answers
5k views

Why does my part-cooling fan cause stringing?

Really strange observation with my MP Select Mini V2 printing PLA. I've printed a dual-fan shroud so I can have a dedicated part-cooling fan. I've noticed that when I turn it on, the extruder starts ...
21
votes
2answers
1k views

Mushy small top layers?

I just added a fan to my printer because very small layers seem to come out very badly. For example, the 5mm PLA cube that's the top level of the test shape shown below. Watching closely, I can see ...
12
votes
2answers
4k views

Second layer: gaps, poor adhesion - why?

I'm seeing the following pattern on my Prusa clone: The first layer prints OK, layer adhesion to the bed is good. The second layer shows the weird gaps. On larger pieces, or with an increased feed ...
8
votes
1answer
4k views

How to fix bulging first layers of print?

The bottom 1-6 layers of my prints always bulge, like an enlarged elephant foot effect. I've tried all the fixes for elephants foot to no avail. I'm using: XYZPrinting DaVinci Jr 1.0 Pro with their ...
4
votes
1answer
4k views

E3D V6 Original vs Clone

What is the difference between an original E3D V6 rather than a clone? I know an original would have its own advantages, since there is a huge price difference between the two. Will there be a huge ...
1
vote
5answers
2k views

3DBenchy's bow prints out of alignment

I'm new to 3D printing, but I've solved all of my problems except for this rough surface shown in the image of a Benchy print: Any suggestions are appreciated. Printer (new): Raptor 2 (400x400x700&...
8
votes
4answers
15k views

What are the ideal print conditions for polypropylene?

I'm having a lot of trouble printing polypropylene right now, and I think it may have to do with the conditions. I'm using a very thin coat of ABS on the base plate (just as you would do when printing ...
5
votes
2answers
5k views

Inconsistent Layer Issues

I was having some issues with printing, most noticeably in this picture: The layers are very noticeable and sometimes have gaps, and the overhangs don't print very well (although the former is more ...
9
votes
3answers
3k views

How to utilize/calibrate print fans for PLA?

At the moment, I am thinking about print fans that cool the plastic when printing. I am not asking about the design of the fanducts, which might be a whole book on its own. I would like to know how to ...
4
votes
2answers
861 views

Is E-axis steps/mm resolution limiting factor in print quality?

I've been noticing in some of my linear advance test towers that the (very minor/fine) ripple pattern in walls varies with the K factor, which made me think that it isn't coming from any vibration in ...
14
votes
1answer
3k views

How to improve face that are printed on support?

Is there anything I can do to improve the bottom side of surfaces that are printed on support? I always try to rotate the model so that surfaces that need to look nice are on the sides or top, and, ...
11
votes
2answers
20k 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
1answer
818 views

What parameters affect cylinder regularity?

I'm printing cylindrical pins for a spool holder, but all my pins have irregularities on the external surface of the cylinders (see photo for partially printed pin with irregularities). It's hard to ...
9
votes
7answers
28k views

Nozzle rubs on previous layers

I'm having a frustrating problem with my recent built custom 3D printer so every single print I made, from the third layer, the nozzle is "rubbing" on the already placed filament. This ...
7
votes
3answers
272 views

3D printed mold techniques for long and short term usage

3D printing can be used to make injection molds of unimaginable complexity but which kind of 3D printing process is suitable when? Suppose that a part is to be made using injection molding in large ...
6
votes
3answers
833 views

What prints can I do to test/calibrate my printer for precision?

I specifically want to test calibration tolerances precision accuracy I'm having trouble with Print in Place models and I'm trying to find out if there's something I can do to improve my print ...
5
votes
4answers
30k views

How to fix wall separation in 3D prints (gaps in between wall perimeters)?

The print is very solid except for the 4 walls. From the top, I can slide a paper down to the bottom. This is ONLY between the walls, the rest of the print is solid. The filament is PLA 1.75 mm. ...
4
votes
1answer
2k views

What do you call this effect in 3D printing and how can I remove it?

I have a Bowden extruder in my printer setup. Everything works great except this effect which must be related with retraction and is generated on Z layer change: The model itself, is printed in ...
3
votes
2answers
9k views

How do you solve PLA corner-curling short of printing really, REALLY slow?

I've been trying a lot of different things to combat corners curling upward in the first few tens of layers after the bottom skin. To be clear, I'm not talking about corners of the first layer printed ...
9
votes
1answer
1k views

How thin can my extrusion be from a 1.2mm extruder?

I always assumed that the smallest diameter that you could extrude was equal to the diameter of the extruder tip itself. Recently I heard that you can actually extrude a line that's as little as half ...
8
votes
1answer
6k views

First (bottom) layer has gaps

First off - I'm rather new to this and I might be on the wrong track altogether... I'm printing PLA using a simple DIY XYZ printer with a direct-driven extruder, 0.3 mm nozzle, 0.2 mm layer heights, ...
8
votes
1answer
987 views

Is there any reason *not* to use a steel nozzle for printing all materials?

I know that for printing some materials like the carbon-fiber filled PLA it's recommenced to use a steel nozzle since it'll wear-out a standard brass nozzle quickly. Is there any reason to prefer ...
6
votes
4answers
12k views

What is causing the walls of my prints to separate?

I have been having an issue with certain portions of the walls of certain prints becoming separated from the rest of the model. It happens with smooth vertical edges. Specifically, this model, ID ...
6
votes
3answers
627 views

Print came out like a wafer

I'm not sure how else to describe it. There's probably a name for this but I just don't know it. But the bottom few layers came out great, but the rest came out kind of like a triscuit. Below are pics ...
5
votes
2answers
15k 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 ...
5
votes
2answers
683 views

How to avoid collisions with already printed objects?

When printing several objects, I recently encountered a problem that arises when the structure in itself is relatively thin or the support towers have a small surface: the printhead would in motion ...
5
votes
2answers
1k views

print quality: z wobble issue

Yesterday i replaced the z axis of my diy printer. Now i have some strange waves on the side of my prints. Are the threaded rods bent or could that be a vibration issue? Or is the coupler too stiff?
5
votes
2answers
6k views

Sudden underextrusion on Ender3

I have printed a couple weeks perfectly fine with my Ender 3. Two weeks ago I changed the firmware but the settings were all fine and resulted in good prints. Now, suddenly during a print the ...
4
votes
1answer
389 views

Why does my model stop printing at the same spot?

I have a Monoprice Maker Select v2 printer which has a printing height of 7". I tried to print this trophy. The first time I printed, it stopped about 3/4 of the way (about 5.5"). I use Ultimaker ...
4
votes
4answers
324 views

3D printer ends print by sinking in to it and getting stuck

I am using cura with M3D entry level printer. When I print things more than 6-7cm/2.5-3inches, at the end of the print, the hot end sink back into the print then gets stuck as it tries to return to ...
4
votes
2answers
462 views

Printing starts well but then it breaks down, Anet A8

I'm printing a cylindrical piece but at any moment it breaks down. I tried it two times, both have break down in different place. I'm using a 1.75 mm PLA filament in my Anet A8. I'm using Cura 2....
3
votes
1answer
497 views

Is there any setting that could allow me to print this overhang without support?

I've been asked to print a set of this: https://www.thingiverse.com/thing:2200026 I used Slicer with my default settings for my FLSun printer which includes support and 0.2mm layer height and that ...
2
votes
1answer
3k views

Raised lines on top layer surface Ender 3

I have an Ender 3 for two weeks now, my first 3D printer. I think I have a problem with top layers. See the left 3 stones on the first picture. It looks like lines and it feels like raised lines. The ...
2
votes
1answer
426 views

Calibration improvement of the Prusa i3

I recently got myself a Prusa i3, that I needed to assemble and adjust myself. As expected, the first prints was of quite poor quality. After better adjustment, I improved a bit the print, but I am ...
1
vote
1answer
67 views

how to control fine details from overhanging part to not build upwards

I noticed that when printing small teeth on a pulley that the angle is not matching the design angle. I am printing without any support structure. Overview: Detail: Printed: The printed overhang ...
1
vote
0answers
103 views

Empty patches with a very viscous resin

I have a Mars-like 3D printer, which so far worked very well with typical resins. Then I decided to print a mechanical part with Siraya Blu. I followed their recomendations of a "heavy" support, which ...