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1500 questions
11
votes
7 answers

Which filaments actually do need to be stored in a drybox?

As I started to learn about 3D printing, the gist I learned was "it's better to store the filaments in a drybox." As I rechecked these notes, they were to a good degree from an era when PLA was rather new to the market and ABS was the goTo. Then I…
Trish
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11
votes
4 answers

3D Metal Printing

I have been wondering about 3D metal printing (steel, aluminium), but after a short research on google I found only too expensive printers (markforged, desktop metal and a few other industrial ones). Is there any less expensive printer that is able…
11
votes
2 answers

Are parentheses allowed within a G-code comment?

I am wondering if this piece of G-code is valid: G0 (Some comment (Its G0 command)) Y10 Z-5 I have tested this on my Chinese CNC machine and it strips out the comment and works flawlessly. The machine processes this as G0Y10Z-5 which seems like the…
Jan Vorisek
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11
votes
3 answers

What voltage does the Creality Ender-3 run at?

I am pondering about buying a Creality Ender-3, and I am honestly confused about some reviews. Some claim it is running 24 V, one did claim it was 12 V, most don't mention it. Since I know about some issues with the clamps, if I get myself an…
Trish
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11
votes
1 answer

POM filament not sticking to the build plate?

In the creation of the process of printing my own bearings to reduce noise, minimize play/tolerances and size the bearings to the actual size of the application, I obtained a spool of Polyoxymethylene (POM) or also known as Acetal or Delrin. This…
0scar
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11
votes
2 answers

TMC2208 drivers - Microsteps configured incorrectly

I've just installed two TMC2208 drivers on my RAMPS board. I followed a very good step by step tutorial and after some issues, I got it nearly to work. One problem I still have is that when I tell the printer to lift the Z axis by 5 mm, it lifts it…
Felix Hauser
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11
votes
3 answers

Platform support up to a certain Z height in Ultimaker Cura/G-code

Ultimaker Cura offers a platform support type of “touching buildplate” which enables the printer to only make a raft for parts of the object that should be touching the build plate. It also offers “everywhere” for any object that might be hanging…
K Mmmm
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11
votes
1 answer

What's a good way to secure bushings in a 3D printed part?

I'd like to secure bushings in 3D printed parts. They would be used for a drilling jig. I've seen heat-set inserts, but they've all had threaded interiors. The best idea I can come up with is printing the plastic hole several thousandths of an inch…
user441767
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11
votes
2 answers

What is the power consumption of the heatbed and hotend?

What is the power consumption of your heatbed (size) and hotend (model)? I want to verify that it is possible to use a battery to power them.
user9350
11
votes
2 answers

E axis vs Z axis

When using G1 command in G-code, what is the difference between Z- axis and E- axis? I see all E, F and Z in G1 Z0.350 F7800.000 G1 E-2.00000 F2400.00000 G92 E0 G1 X96.753 Y95.367 F7800.000 G1 E2.00000 F2400.00000
ar2015
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11
votes
2 answers

What is causing 'droplets' on first layer?

I recently changed filament and for starters it worked perfectly well, but quickly I got some problems with my first layer. It's like droplets are forming on the surface (finished item + 3 undersides): The final part is (for me) okay but I'd like…
Valmond
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11
votes
2 answers

Warping of bottom of print

The bottom of my prints warp/curve upwards, most often at the corners. This is a very slight curve, only about 1-2 mm. I print with a raft all the time. I don't have a heated bed. I print with PLA at 199 °C (390 °F) with a print speed of…
joshkmartinez
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11
votes
2 answers

commandline remeshing and simplifying tools

I'm currently trying to remesh and simplify some protein structure models (very large) to reduce the file size of the STLs I need to print from. The raw file before manipulation is ~4.9GB. I'm currently attempting this on my home PC (16GB Ram, AMD…
Joe Healey
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11
votes
4 answers

Is it necessary to have both hot ends on a dual extruder printer at the same height?

I'm thinking of another extruder on my printer, and I'm curious about this one.... Is it necessary to have both hot ends on same height? Why yes / why not? (if there is not)
11
votes
7 answers

Noise Reduction

I am looking for methods to reduce the amount of noise produced by my CR-10. I have the printer in my downstairs study and if I'm doing a long print job, you can hear it upstairs in my son's bedroom and I don't want it keep him awake. I've seen…
HuwD
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