Questions tagged [filament-choice]

Questions about which filament to choose for a certain application belong here.

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41 views

Best filament to use in high humidity environment? [closed]

I'm working on a project to design some custom 3D printed parts for an indoor urban farm where the environment has a very high humidity of above 80%. What would be the best filament to use that will ...
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4answers
136 views

What material best to use for press fit parts?

I am designing some parts that should modular fit together. I am currently exploring a Lego-like design with octagonal holes and cylindrical pins. I notice that (depending on the amount of clearance) ...
3
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1answer
30 views

How to interpret various thermal-related filament properties?

When picking filament for specialty, high temperature applications, multiple parameters are provided, but it is not clear to me when which to use. The most common parameters provided are: Vicat ...
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2answers
38 views

Filament that will not stick to wood glue?

I am looking to 3D print some small molds that will allow wood glue to dry but not stick. Is there a recommended filament that is known to resist binding to simple wood glue? Alternately, is there an ...
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1answer
45 views

Post-processing and filaments for weather-proof electronic enclosure

I'm building a weather-proof enclosure for some electronics. It's expected to stay exposed outside all the time so I'm worried about its resistance: What would recommend me for 3D filament? I was ...
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1answer
289 views

How do I know if a filament is abrasive?

There are tons of fancy filaments around. And a lot are super nice to look at or have super cool properties, like carbon-filled nylon being comparatively far stronger than other material, wood fill is ...
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0answers
48 views

Best filament for epoxy bonded structural parts

I am planning to print some large structural components, and I intend to form them by glueing together a number of printed parts, and skinning those with composites. In other words this plastic needs ...
3
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3answers
620 views

Design connection to motor shaft for printed gear

I am currently trying to print a gear with the possibility to connect it to the shaft of a DC motor. The following picture best describes what the shaft of the motor looks like by showing the hole ...
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2answers
103 views

What is the strongest filament type? [closed]

I'm looking for a filament that is strong, doesn't crack and doesn't break easily and is impact resistant. I'm currently using PLA and it's strong, but, I'm looking for something that doesn't snap or ...
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2answers
215 views

Are there white filaments, that are not so translucent?

I find that white filaments are quite translucent and printing 5 layers of white filament onto 2 layers of black filament (at 0.2 mm layers, the white layers being 100% infilled and the underlying ...
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3answers
84 views

Filament suitable for direct burial

I'm working on a project with will be buried in soil. It's an enclosure for a sensor that will be potted inside the 3D printed part. What filament will give me the longest life in soil? ETA: burial ...
2
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3answers
246 views

Filament that is resistant to ozone

Does a filament exist that can resist ozone (like certain silicone tubing's can). Most glass bottles come with tin or plastic screw hard tops and I would like to replace the screw caps with something ...
2
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3answers
189 views

Finding the right material to print RC CAR cover

My problem is that I have used a 3D printing machine from the University and found out that the cover for the car was not smooth even after using sanding paper and painting it. What material would ...
4
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1answer
150 views

Would PC be considered food-safe in this setup?

I have one 3D printer with Makerbot mk10 extruder and I would like to print my custom cup for tea or coffee from PC. Other than that, I came across idea that FDM printer will always leave small holes ...
3
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0answers
71 views

Good food-safe print filament or method? [duplicate]

I want to create a drinking cup that is entirely safe to consume liquids from. I’ve done some research, but I can not seem to find a cheap or easily accessibly food-safe filament. I have also had no ...
5
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1answer
251 views

Which filament to use for an application involving water circulation?

Let's suppose I want to build a water block shaped exactly for my Ubis 13s hot end (similar to this instructable), or that I want to circulate water around specific objects to be cooled (like Water-...
6
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2answers
3k views

What is the thermal conductivity of various 3D printing filaments?

Thermal conductivity is how well a plastic conducts heat. Most plastics don't conduct heat very well at all, which is what allows them to be 3D printed. That being said, there are a lot of potential ...
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3answers
199 views

What is the 3D printer filament (or pellet) most resistant to bending at high heats?

I'm looking to 3D print a structure that won't deform in high heat, up to about 220 °C. The filament itself can be 3D printed all the way up to about 380 °C. PEI seems like it ...
3
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1answer
200 views

What filaments allow air to pass but not water vapor?

In some situations it useful to have a material in which air passes but water, and water vapor, does not. Printing cell membranes or cases for something that must be immune to humidity changes (like ...
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1answer
638 views

High temperature flexible filament

I need to cool some liquid (250 °C) while it’s flowing through a tube which has to be able to bend and flex. My idea is to make a flexible tube with a second tube spiraling around it through ...
5
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2answers
5k views

Material for autoclave-able part

I’m designing a part that will need to be autoclaved—it will be under steam at 121°C for about 15 min per job and I will want it to be able to go through the autoclave repeatedly. I ran a test PLA ...
4
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1answer
757 views

What materials would be appropriate for pool parts (chlorine & UV exposure) using SLA or FDM?

I've got a printer on the way later this year that's supposed to be able to do both FDM and SLA (with the appropriate accessories). I'm interested in printing some parts for swimming pools (the types ...
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1answer
74 views

What kind of filaments can I use?

This is probably the most basic of questions. When I was shopping for a printer I saw models that would list a slew of certain plastics that the printer can print while other printers (different ...
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3answers
301 views

Which is the right filiament type to print breakable children's toy parts such as small gears

Probably the question sounds a little strange; however, I am looking for a filament which is breakable and not so steady and reliable as PLA. I want to print parts similar to the following gears for ...
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1answer
1k views

Filament choice for coasters

Which filament is good for a coaster for a hot cup? I don't expect PLA to be good because it can easily melt under a hot cup. Note, I can't use ABS because I don't have an enclosed printer.
6
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3answers
770 views

3D printing filament resistant to steam

I need to replace the lid of my water kettle and am searching for a filament, that is suitable for this purpose. The requirements are: Stable at 100°C (212°F) Resistant to steam/moisture Food-safe ...
4
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2answers
181 views

Which outdoor filaments for unheated beds?

I am searching for 3D printing filaments, that are suitable for outdoor purposes, but printable on unheated beds. I will mostly use it for sensor node enclosures (should withstand temperature up to ...
17
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3answers
35k views

Can you put PLA parts in your car (in the sun)?

I'm in the process of building my own head unit / stereo prototype for a car, which will have a 3D-printed enclosure. My concern is that cars can get quite hot in the sun, and even more so if you ...
4
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2answers
83 views

Raw material for 3D printed injection mold

If I have to make an injection mold (for resin based raw material) using 3D printing, what raw material should I choose – PLA, ABS, HIPS etc.
9
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4answers
728 views

Thermal degradation of 3D printed ABS (and other plastics)

The short version of my question is: Are 3D printed parts made of ABS likely to survive for one year in an incubator at 80℃? Please read on for more details. I am printing some parts that will be ...
24
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6answers
60k views

What is PLA+? How is it different from PLA?

Question What is PLA+? How is it different than PLA? I'm looking for science, composition, formula, safety concerns (or lack thereof), etc. Background I picked up a roll of PLA+ at Microcenter (...
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2answers
953 views

Self-lubricating 3D printable materials for space

Materials used in space need to not outgas significantly An answer to this question: Would 3d-printed objects outgas in vacuum? referred to the NASA outgassing database which showed that ABS, PET, ...
7
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2answers
725 views

Filament material for chemical application

I am doing laboratory experiments and need to print some components. I am working with different aqueous (water) solutions containing sulphuric acid (H2SO4), hydrochloric acid (HCl), and hydrogen ...
7
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2answers
101 views

stable FDM materials

What materials, available as filaments for use in FDM printing, are known to be the most physically and chemically inert? In particular, stability (not necessarily simultaneously) in the presence of ...
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2answers
433 views

3D printing related safety precautions for a baby rattle

I've a friend who is expecting. There are several adorable weapon themed rattles on thingiverse. I am, however, concerned about safety associated with such a product in the hands of a baby who will ...
9
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4answers
3k views

Is it possible to make a hermetic sealed 3D Printed case?

I am wondering if making an hermetic box is feasible using 3D printer. The box would be a cube with a front face removable, with screw and sealing joint to close it. I searched for different materials,...
14
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2answers
370 views

Are there biocompatible materials available to the general public?

I am currently working on parts for a custom prosthesis. My main concern at the moment is to find biocompatible materials that can be 3D printed from a UP or a Reprap. The piece would need to be in ...