3D Printing Stack Exchange
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1500 questions
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1 answer

Failed filament dryer deformed my filament. Is it salvageable?

I bought a very famed filament dryer (won't mention the brand) which turned bad on me as I got a failed one; it got exceedingly hot (uneven 60-68 °C) and deformed an almost full PLA spool. Aside from the spool itself (which was made from recycled…
Luis GG
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Creality Ender-3 V2 motors going insane

I recently started using my Ender 3 V2 again because I needed it to print a hook. I went through multiple problems that I could solve by updating the firmware but after starting the print, I heard a very hard noise that made me understand that the…
UnFearHQ
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How / where do I hide the seam?

Printer: Kobra Max Nozzle: 0.4 mm Material: PLA Slicer :Cura I have printed 1 model 3 times with different settings (different temperatures and different bed temperatures). Try 1: 190 °C / 50 °C Try 2: 210 °C / 70 °C Try 3: 230 °C / 50 °C All 3…
tmighty
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Editing a G-code file for different material

I had a model I had originally printed in PLA, and then lost the STL... but I still have the G-code. Now I want to print it in PET-G. Do I need to do anything other than update the numbers on the M104 and M90 instructions near the top of the file to…
Joel Coehoorn
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Ok to shutdown printer after unloading filament, with no cool down?

With a fan cooled, all metal hotend, is there any reason to wait for the hotend to cool, before shutting down power, if the filament has been unloaded? When leaving the filament on the machine after a print, I’m normally in the habit of waiting…
ChinchillaWafers
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Easy way to visually inspect/preview large amount of stl files (on Linux)?

I'm a beginner in 3d printing, so please bear with me. I downloaded a zip with about 100 STL files. I now want to pick one or two to print. The names of the stl files are not very helpful so I need to look at them to find the ones I want. I can open…
kramer65
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3D Printing with malicious intent

I have a bit of an odd request. I am studying the vulnerability of 3D printers and would like to know if there is a way to disable the limit switches on, for example, an Ender 3 in the G-code. Ideally, the exploit would be used by plugging in the…
newatthis
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What is homing? What is the purpose of homing?

A 3D printer needs to be homed (homing) before the print starts. What is homing? What is the purpose of homing? Is it necessary?
0scar
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Ender 3 V2 error message

I bought an Ender 3 V2 printer and printed successfully with PLA and PLA+. Ender 3 V2 is rated at <= 250 °C but when I set temperature above 200 °C to print to PLA+, I get an error message "Nozzle is too lowperature" and the printer freezes (the…
thermike
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Patterned Under-Extrusion on Ender 3 Pro

I've had my Ender 3 Pro for a few months, and it's been working great. Then, after a failed print (the STL had extra seams, causing the print to get mangled), I've started having issues that I have attributed to under-extrusion. As evidenced by the…
tjcaul
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Why do I keep getting a thermal runaway message?

A few weeks ago I got a thermal runaway message on my modded Ender 3 during a print, and I have not been able to get it working since then! I have tried fixing and replacing everything, and I still keep getting the message! When the printer…
Twinkle toes
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2 answers

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 my spool fed inside the PTFE (Teflon) tube of my…
Nicu Surdu
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Should I put my models close together on the build plate, or space them out, to minimise suction?

On a resin printer, if I'm printing 5-6 similarly sized items (Warhammer figures, for example) should I group them close together, or space them far apart, in order to get best adhesion on the build plate and least suction on the FEP?
Aaargh Zombies
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How do I determine whether a print material is dishwasher, food, and microwave safe?

I would like to print lunch boxes, which I can put into the microwave. How could I determine, if the print material is appropriate (dishwasher, food, microwave safe)?
Iter Ator
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How do you remove rough edges from completed prints?

All of my completed prints come out with rough edges. What are some methods for removing rough edges from 3D prints? Also, are there any ways to reduce rough edges on prints? For reference, I use a FlashForge Adventurer 3 and PLA filament.
shwin320
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