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Questions tagged [print-material]

Print-material, in comparison to the tag 'material', helps to specify that the question is concerned with the material the print itself is made from. This includes 'filament' as a subgroup but also SLS polymers for example.

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Is there printable optical-grade resin?

Are there SLA printable resins that can be printed with optical clarity and whose index of refraction make them potentially useful for optical applications? I would assume the surface may need ...
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What happens if you try to print with UV resin that's well past it's use by date?

I've got a bottle of UV resin that got left at the back of draw and forgotten about. It's probably 6 months out of its advertized use by date. What is likely to happen if I try to print with it? It's ...
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What polymers are used in 3D printed Alumide?

Does anyone know what polymers are used in 3D printed Alumide? I know it has Al and nylon, but does it have anything else? NASA has a database of materials that out gas and I'd like to see if Alumide ...
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Does 3D printed Alumide out gas after printing?

Does 3D printed Alumide outgas or is it inert? I.e. If I printed a box with it and stored paper in that box for 100 years would the paper become damaged by out gassing? I noticed that NASA has a list ...
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4 votes
7 answers
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Is there a method for telling how much filament is left on a spool?

Other than unrolling it and measuring it, is there a method for telling how much filament is left on a spool, for example calculating a length bases on weight or number of turns left on the spook? Is ...
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1 vote
2 answers
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Are "matte PLA" filaments abrasive?

I picked up a roll of Overture matte black PLA, and the surface of both the filament and the printed object feel like paper. This made me wonder if it contains wood-based fibers like "wood PLA&...
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2 answers
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Copper-infused PLA for spur gears

I am currently printing PLA infused with 80% copper powder. So far I mainly used it because it looks and feels really nice and post-processing is almost limitless, however recently I have thought that ...
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4 votes
2 answers
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Does the color of a filament effect its physical properties?

When choosing which filament to use for a particular print does the color of the filament have any impact on it's performance, or is it purely a cosmetic choice? For example, are there any side-by-...
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2 votes
2 answers
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Material for printing electric device prototype

We are in a stage of creating a prototype of some IoT device with some electric boards and sensors. The device will be connected to the power and the boards inside might be warm a bit. What material ...
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5 answers
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Improving durability of a printed propeller

I am currently working through various different iterations ofccreating a propeller for a model ICE (nitro engine). So far I have managed to disintegrate each of them eventually. I have been ...
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2 votes
1 answer
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Proper material for a drilling master plate

I've developed a master plate for my hobby woodwork (approx. 40x40x40 mm, see the figure). Its goal is to allow a straight angle while drilling 40 mm parallel bars. Four vertical holes are used to fix ...
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2 votes
2 answers
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How do I determine the glass transition of filament from its sales listing information?

I need to print some items that will go in my car, which sits in direct sun a good portion of the day and almost certainly exceeds 50 °C inside during the summer months (I've had PLA prints sag quite ...
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4 answers
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Good filament/s for heat resistance in cars

I have designed a cupholder for my center console in my truck with PETG. I was hoping it wouldn't deform and it didn't for a while but we got some high temperatures the past few days (around 32-38 °C ...
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4 votes
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PLA filament becomes brittle inside PTFE tube

I know that it's said the PLA becomes brittle when kept in a humid environment, but my case is slightly weirder: I have rolls of 1.75 mm PLA that I bought years ago and they are fine. But if I leave ...
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1 vote
1 answer
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PC-ABS poor layer adhesion

I recently started printing Polymaker's PC-ABS blend on my modified Ender 3 v2. The print quality is good but the layer adhesion is pretty bad. The layers aren't delaminating while printing but I can ...
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1 vote
1 answer
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3D printing ESD safe/high temp parts

I am trying to develop a process to print fixtures/jigs that can withstand a convection oven temperature of 165 °C. The tricky thing is that these parts have to be considered ESD safe (surface ...
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2 votes
2 answers
380 views

Printing material for methanol tank

I am trying to print a tank to be used with my RC engine. The material that I have to use needs to have the following properties: It needs to be possible to seal the final print so that it is not ...
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2 votes
1 answer
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Problems with ColorFabb XT: over extrusion

I could really use some help here. I am trying to print with ColorFabb XT and have been having an overflow problem, which creates an accumulation of material on the nozzle tip creating stringing and ...
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3D print a paint roller

I was thinking about this question and thought of maybe printing a pattern-drawing roller painter. The question is: is it possible to print with an ink absorbing material that could make a paint ...
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2 votes
3 answers
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How do filament properties change after printing? (In relation to water absorbtion)

I have PLA and PETG filament. I hear that 3D filament absorbs water and causes problems when printing but after printing they can be used with water and they are water proof. So my question is why is ...
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2 votes
4 answers
199 views

Are there FDM epoxy/resin printers?

After seeing a question about FDM printing of temperature-resistant parts, high-temperature 2-part epoxy came to mind. Are there any (experimental or production) FDM extruders for laying viscous, fast-...
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1 vote
1 answer
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PMMA print distortion and inconsistencies

I am working on refining my PMMA printing process and I am trying to print as close as possible to the theoretical 100 % density of the material. I am making good progress and am slowing increasing ...
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1 vote
0 answers
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Question about viewing molecular structure of 3D printed objects

I'm writing a research paper about the implications of additive manufacturing for space travel. As a part of this paper, I'm going to illustrate some of the drawbacks of 3D printed objects such as how ...
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1 answer
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Are there differences in filament consumption between ABS and PLA

I have been printing the same model once with Verbatim PLA and once with an ABS material from Switzerland. For both I was using two brand new 1 kg spools of filament. I was printing both at the same ...
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1 vote
3 answers
193 views

Can PLA carry sound coming from a loud speaker?

My goal is to have a speaker inside a PLA casing to produce a nice hearable sound from a submersible item. I intended to produce that sound from a Piezo buzzer stuck on a membrane held tight in hollow ...
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3 votes
3 answers
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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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1 vote
2 answers
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Is there any commercial supplier of 3D printed parts made from acrylic (PMMA)?

I was surprised to learn that, AFAICT, neither Protolabs, Xometry, or Shapeways* can supply 3D printed parts from acrylic. Is anyone aware of a commercial source of 3D printed parts made from acrylic ...
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3D printing source material and superglue

I've seen there are several different types of source material for 3D printing. My question is: Which of those would hold up under regular Loctite superglue or plastic model glue? I'm asking because I ...
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How to find pure PLA filament?

Prompted by discussion in comments of a recent question whether PLA is suitable for parts that need to be in contact with acetone, I did some casual experiments and found that my clear/"natural&...
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2 answers
648 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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3 answers
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Can any filament be used in with any 3D printer?

I recently heard that the 3D printing lab at my college can do fused-deposition with ABS and PLA, but I would like to use TPU, for greater flexibility. Is it possible to feed a TPU filament into the ...
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5 votes
2 answers
2k views

Why does PETG require slower speed?

PLA has a heat capacity of 1.8-2.1 J/g-K, while PETG 1.1-1.3 J/g-K. This means that each gram of PLA needs more energy to heat up. I assume no "melting latent energy", since we talk about ...
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Why laser is not used to melt/soften material in polyjet?

Polyjet uses UV light to cure UV curable plastic material. I was wondering as to why laser light can't be used to soften/melt just any plastic material instead of using UV light to cure only UV ...
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2 answers
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Linear advance calibration technique

Marlin has a Linear Advance calibration pattern generator, but I find it's hard to use because: It only prints the initial layer on the bed, where bed irregularities interfere with accurate reading ...
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2 answers
431 views

What filament material is safe to use as in-wall housing (US)?

Which type of filament material(s) is safe to use as an in-wall box for regular, 120v wiring? For instance, an electrical outlet box. In case it matters, location is the state of Washington, USA.
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2 votes
1 answer
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Conductive materials quality

I was considering the possibility to 3D print some capacitors with various forms and shapes in order to test them. I need to be able to print both the non-conductive and the conductive materials at ...
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2 votes
2 answers
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How can I remove my print from the bed safely

I have printed two objects with my new 3D printer (Anycubic Mega S) and everytime, my prints are stuck to my bed (sort of glued to it). I cannot remove them by hand. I have tried waiting until it ...
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3 votes
1 answer
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XYZPrinting Premium Metallic PLA Conductivity

I have a XYZPrinting Da Vinci Mini W+ that I got for last Christmas. I am looking at the filaments available for it, since the included PLA is running 'low' (according to it) at 21 metres remaining. ...
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1 answer
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Nail polish remover that won't dissolve ABS?

In Finishing sunken text in 3D prints, I found that nail polish works great for filling sunken lettering in 3D-printed parts, but the procedure for using it requires removing the excess from the non-...
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4 votes
3 answers
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Can mold release agent be used in 3D printing?

Do we need mold release agent in 3D printing mold? If it is not used, what effect will it have on the product?
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3 votes
1 answer
229 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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6 votes
3 answers
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What actual dyes are used in filaments?

I've seen several questions about dyes in regards to food-safety, with no conclusive answers, as well as anecdotes on the RepRap wiki about how the mechanical properties of dyed PLA tend to vary by ...
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1 vote
0 answers
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Does PLA become brittle with age? [duplicate]

I tried to use an old spool of PDA and the filament would keep breaking. New filament will discolor white but stay intact when you bend it. This old filament would break off at a clean 90 degrees ...
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4 votes
3 answers
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Material for printing orthotics

I noticed foot arches are already digitized, but custom arch supports are usually expensive. PLA and ABS aren't the best material for printing arch supports, especially if they replace the shoe's ...
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4 votes
3 answers
575 views

Can commodity 3D printer extrusion hardware and filament be used for injection molding?

Assuming you have a suitable oven to maintain temperature at the filament melting point and a suitable mold that can handle the temperature, is a commodity 3D printer hotend and extruder, with large ...
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2 votes
1 answer
138 views

Dual Filament Mixer Marble Effect

I'm looking for some software, that could create marble effect on product from two filaments, not just gradient, but evolving color change. Do you know some slicer or some tool that can generate ...
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9 votes
3 answers
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PETG layer adhesion

I've been playing around with PETG for the first time, and everything seemingly worked right just from the start - clean prints, no stringing, no bed adhesion problems, no warping or dimensional ...
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12 votes
1 answer
934 views

How does this Martian habitat 3D printer built for NASA work?

The ArchDaily article AI SpaceFactory Wins NASA's 3D-Printed Mars Habitat Challenge shows a working 3D printing apparatus using an unusual material containing basalt fiber extracted from Marian ...
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1 vote
1 answer
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Printing with Nylon 6,10

Can Nylon 6,10 be used for 3D FDM printing? What range of temperatures be used to print with it? How does it compare to the standard 3D printing Nylon material (I think it is 6,6).
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1 answer
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Layer lifted and separated from ESD PLA

I'm using the default Ultimaker Cura draft profile but with the nozzle temp at 220 °C because this is a special ESD filament. All was going well after some troubleshooting thanks to some ...
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