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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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 ...
30
votes
4answers
5k views

Is 3D printing safe for your health?

I would like to buy a 3D printer, but I'm concerned about the health risks that are associated with its operation. Some groups of scientists say it can be harmful for humans. What do I need to ...
24
votes
5answers
7k views

How should I clean my extruder when changing materials?

I often switch my print material, i.e. ABS / PLA / Wood / Flex, How can I best clean out my extruder between them to ensure I don't contaminate my next print?
21
votes
5answers
52k views

Which is more durable to sunlight/weather - PLA, ABS or PETG

The backstory: I'm installing a pigeon net in my home. Because of the shape of the opening I'm installing the net in and the material on the sides it's difficult to anchor the net using the normal ...
2
votes
2answers
728 views

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 ...
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 ...
11
votes
1answer
833 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 ...
8
votes
3answers
15k views

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 ...
7
votes
3answers
259 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 ...
3
votes
2answers
1k views

PLA continuous operative temperature

For personal usage, indoor, I'm doing some experiments with following lamp (v0.1): Lamp is a led bulb enclosed in a methacrylate tube and with a 3D printed finish at the top using PLA (my first 3d ...
3
votes
2answers
678 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 ...
9
votes
1answer
307 views

How to avoid stringing?

How can I avoid the irregularities and stringing in the print. Printer Used: Fortus 450mc Model: PC Model tip: T10 Support tip: T12SR Support: SR-100 Slice Height: 0.0050 in I have printed two ...
4
votes
3answers
444 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 ...
0
votes
2answers
92 views

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&...