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1500 questions
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Marlin 2.0 Firmware temperature jumping on LCD when trying to configure UBL

Flashed Marlin 2.0 on my Folgertech 2020 Prusa i3 variant. Calibrating seems to have gone smoothly until I tried to set up UBL. Saved the mesh into EEPROM with the M500 command after a G29 P1. When trying to do a test print with G26 P10, the…
PGT
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How to wire P.I.N.D.A. v2 to an SKR V1.3 board?

I bought a BigTreeTech SKR v1.3 main board and a P.I.N.D.A v2 for my P3Steel MGN. Does anyone know to wire them together and which part in Marlin 2 do I need to change?
Jack Iai
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How to wire for AC mains voltage relay, when printer board is connected to AC-charging laptop computer?

I know this will be a really obvious question to some people, but I have bricked about 3 boards doing this so I want to be certain before I brick a fourth. I don't have a lot of experience working with AC voltage, especially crimping / hacking it…
K Mmmm
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Is it possible with current 3D printers to print a sound trace?

Is it possible with the accuracy of current 3D printers to print a sound trace? On a vinyl record the grooves in the record are an encoded sound. Is something like this doable with 3D printers? If Vinyl-like isn't possible, could a sound be…
1.21 gigawatts
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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 use cases for highly thermally conductive…
K Mmmm
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How to set up Marlin to use a heated chamber?

I have an infrared lamp I'd like to use to heat my chamber. Right now I don't have plans to install a cooling fan, but I will if I need to. This question pertains to Marlin (2.0, preferably) in combination with an MKS Gen L v1.0 board. In the…
K Mmmm
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Why don't 3D printer heads use ceramic inner walls?

Why don't 3D printer heads use ceramic inner walls? PTFE tubes melt with high enough temperatures and all metal ends risk jamming as heat makes its way up the head.
Mr.UNOwen
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Getting better support than Slic3r generates

I found a nice model for a ship from the game "Eve". It doesn't have a flat bottom, so it needs support material. But Slic3r generates several dozen tiny support pillars, and one by one they break loose from the build plate. As they get tall, the…
TextGeek
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Are there many differences between Ultimaker Cura and FlashForge FlashPrint slicers?

I recently bought a 3D printer called Dreamer NX from FlashForge. The dealer told me to use FlashPrint software that belongs to the FlashForge printer manufacturer. But, many people advise me to use Ultimaker Cura. Are there many differences between…
LCarvalho
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How to fight lots of stringing with PLA at low temperature (185 °C)?

I just got my first 3D printer (Creality Ender 3) on Friday, 2 days ago. It works great, but for some reason I'm getting a lot of stringing on my prints, especially the ones where the extruder head has to move a long distance between columns/posts,…
Gogeta70
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How to decide print orientation?

Please Note: This question is not about the design. It's about deciding print orientation after the design. I have a small, but complex piece which I need to print. Here are two images of different orientation for you: No matter how I orient it,…
Pᴀᴜʟsᴛᴇʀ2
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Why does jerk have units of mm/s rather than mm/s³?

In 3D printing firmware and slicers, jerk settings are expressed in units if mm/s. This is contrary the physical definition of jerk, which is in units of mm/s³, being the second derivative of speed with respect to time (or the third derivative of…
R.. GitHub STOP HELPING ICE
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Is there an easy way to split models in OpenSCAD?

I'm wondering if I can take one OpenSCAD object, and cut/splice/split it into two different objects that can then be manipulated independently? One approach is to duplicate the object, difference it along the cut border with a 3rd object, and then…
Hamy
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Should I include fillets on my 3d printed parts?

A fillet is like a rounded corner but on the inside of the corner. Does it make a difference (structurally) to use fillets on a 3d printed part?
user77232
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Overhangs lift up

My printer is exhibiting a problem wherein it's as if the nozzle pulls up on layers. I don't think it used to do this - it seemed like it manifested after I replaced the broken x-carriage with a printed one, but I don't see how that could have…
Erhannis
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