Questions tagged [quality]

For questions about the quality or durability of a finished 3D print, printing material or of a 3D printing machine.

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2answers
94 views

Bad quality at horizontal faces

I'm newbie at this stackexchange and I have a "FlashForge Finder"; lately there are many problems with the horizontal surfaces quality (Bottom and Top at the same time). As some issue guides suggests,...
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2answers
94 views

Printer extrudes too little filament at beginning and end of extrusion

I've bought a new type of filament (GreenTEC Pro Natural) for my Anycubic Mega i3 to print some food-safe cookie cutters. Now I have changed the print settings to an extruder temperature of 210 &...
7
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3answers
167 views

Is it possible with current 3D printers to print a sound trace?

Is it possible with the accuracy of current 3D printers to print a sound trace? On a vinyl record the grooves in the record are an encoded sound. Is something like this doable with 3D printers? If ...
2
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1answer
72 views

The first layers while printing look strange

I own a Geeetech i3 Pro W and I started printing today. Amazing how it works. I just recognized while printing my first bigger model something very strange: At the beginning some parts are missing ...
2
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2answers
59 views

Ultimaker 3 Extended prints pores in walls

We have a fairly new Ultimaker 3 Extended. When printing ABS with the AA0.8 nozzle and the recommended settings (up-to-date CURA) we receive a very poor wall quality that exposes some kind of pores. ...
4
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2answers
3k views

Can I dry PETG filament under sun?

At the moment the outside surface temperature is around 30 °C. Can I put my PETG spools outside with a fan in order to dry them cheaply?
1
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2answers
46 views

Mystery filament cleaning fluid

Whilst looking to fix a different problem I had I came across this video. It's a filament reel holder, but at 02:40 the person uses a mysterious fluid. I haven't seen anything like this before (...
2
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2answers
812 views

Bad layers in otherwise good prints

I can print a reasonably high quality print, but then there will be a millimetre or two of rubbish. This can happen at the start of a print, in the middle or at the end. It doesn't seem to be bad G-...
4
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3answers
4k views

Considerations when pausing a print job

Some prints take a long time and, as I'm not in a workshop, I need to pause the print sometimes. Are there any special considerations I should take when pausing, or can I literally just click pause, ...
3
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2answers
89 views

Bicycle air pump project

Is a home 3D printer capable of printing a good bicycle air pump? I've searched the Internet and there is very limited info on it. Things need to be rigid and very minutious in the valve part of the ...
5
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2answers
1k views

Creality CR-10 Clogs and Underextrusion - Filament at fault?

I've been printing successfully on my CR-10 for the past year now. I've had issues now and then but have been able to look around the internet and solve them. I've been using some Flashforge white PLA ...
3
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2answers
1k views

Is it advisable to use additional external fan(s) for printing PLA?

I was wondering if adding (an) extra fan(s) (not connected to the printer, but blowing on the print area) could improve the quality of PLA based prints(printing at 210 C). The printer already has a ...
1
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1answer
2k views

How to improve resolution using 0.3mm nozzle?

What are the best settings for a Simple Metal printer using a 0.3mm nozzle, knowing that the min layer height can be 1/4 the size of the nozzle? I posted some photos on the link below and the STL ...
5
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2answers
442 views

What is “HDPLA”, and why is it so hard to find out more about it?

Googling 'HDPLA' has so far availed me very little. http://3dinsider.com/what-is-pla/ indicates that /all/ modern PLA is 'high density' compared to 'the early days'. But a fellow at the local ...
6
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2answers
254 views

Are 3D printed gears applicable for industrial use?

Are 3D printed gears applicable for industrial use? I want to print some gears with ABS. What will their lifespan be? How long will they last if I use them, for example, every day?
12
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6answers
589 views

Is it possible to print a resonator for a musical instrument?

I play a berimbau for Capoeira. One of the most fragile (and most expensive) bits is the cabaça, a hollow gourd used as a resonator. I'm not very familiar with the qualities of the resin used for 3d ...
1
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2answers
1k views

I need an acetone substitute

Acetone is banned in my country, and I cannot get it. What substitute could I use?
1
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2answers
163 views

Choosing the most high quality, reliable 3D printer [closed]

I work in a biological laboratory where we have been using the FABtotum personal fabricator for several months now. The machine is good, however not flawless, and has set us back from doing ...
4
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3answers
875 views

Printing shells and pouring filler

I had this idea for bulky parts for just printing the shell (PLA) then pouring in some kind of filler in to make up the bulk/strength. Printing bulk .2mm at a time line by line is slow and subject to ...
10
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3answers
2k views

Producing closely fitting parts

I would really like to be able to print moving parts that fit well enough to move without excessive friction, but also aren't excessively loose. Using an Ultimaker 2, what should be my expectations ...
11
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4answers
3k views

Printing screws - is the output usable? (M3 or M4)

I just want to ask if anyone has successfully printed a screw (M3 or M4). Is the printed output usable as a screw? What printer is capable of printing screws? I am using an M3D printer - is there a ...
6
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2answers
224 views

What should I think about if I want to design something modular?

For a while now, I have been thinking about designing things such as small bedside tables, game/dvd/bluray racks for 3d printing. I've always thought that making them modular would be a good way to go ...
15
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6answers
21k views

Which endstops are most precise?

I have seen mechanical (micro switch), optical and magnetic(magnet + hall sensor) end stops. Are there any differences in how exact they switch at the right location? If so which are the most ...
2
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0answers
109 views

Which properties of real organs do 3D printed organs have? [closed]

I've heard of 3D printed ears, limbs, and muscles. I assume if you were to attach one of these ears to a person, it wouldn't have a sense of touch and other properties that a real ear would have. So ...
3
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1answer
400 views

Threaded rods to create frame/axis connection. Which improvements can be made and are they needed?

I am building what I dub Frankenstein's printer from various components I could find in the electronics dumpster to print the proteins for a P3 Steel (toolson edition). I want to elevate a scanner ...
7
votes
1answer
1k views

Proper settings for printing rubber and rubber-like materials?

I am struggling finding how to print complex shapes made of rubber, tpu, tpe... Are there any clear guidelines on how to print those materials without deforming and uncontrolled retraction? The ...
6
votes
2answers
268 views

Optimal ratio of fresh to used nylon powder

I am operating a laser sintering machine, using polyamide 2200 powder (with a grain size of approximately 50 micrometers). During a print, a lot of powder goes unsintered and can theoretically be ...
9
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2answers
637 views

What is the life expectancy of the Kossel?

I'm considering buying this package, the Kossel, as my first 3D printer. It's not the cheapest model, but apparently a high resolution and stable, which is what I'm after. The question is, what is ...
2
votes
0answers
60 views

Home vs. Professional Print Quality [closed]

I've made a few 3D prints at school on what I assume are very low-end 3D printers, but they seem cheap, flimsy, and pretty ugly. How much better quality can I expect from professional-level 3D ...
19
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2answers
3k views

What are the reasons for my 3D prints having large numbers of strings between parts of a layer?

I am printing a print using PLA on a Prusa i3 printer and an MK8 extruder, at 210 degrees celsius, 60 mm/sec, sliced with slic3r. The print consists of a base, with 4 tower-like projections that then ...
17
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4answers
262 views

Resolution Drawbacks

With an ABS or PLA extrusion 3D printer, are there any potentially negative quality differences that could occur if I try to print at a higher resolution? I am not concerned about print time as the ...
18
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3answers
2k views

How important is the minimum layer height on a 3d printer?

I know the minimum layer height will effect how detailed of an item you can print and the amount of time it takes to print something, but is it necessary to have an extremely low minimum layer height ...
10
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2answers
338 views

How to obtain high resolution prints in a shorter period of time?

When I've printed an object I've had to choose between high resolution and quick prints. What techniques or technologies can I use or deploy to speed up my high resolution prints?