3D Printing Stack Exchange
3D Printing Stack Exchange

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4 answers

Is hot glue suitable for FDM printing?

Is hot glue suitable for FDM printing, or some process similar to it? I think it has all of the required properties, and could produce a flexible transluscent print. It's cheap, hotends are cheap, and the technology has been around for a while. I…
YetAnotherRandomUser
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Scalable 3D Printer

Is there a definitive scalable 3D printer? I've seen examples of Chinese companies printing entire houses, and I'm curious as to printers / filaments that are intended (or at least able) be scaled up for (very) large print jobs. Since most hobby…
Lee Gildemeester
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Inductive Sensor in 24 V machine?

I am getting a 24 V based Ender 3. From the factory, it has an aluminium bed. So I also put this LJ12 A3-4-Z/BX Inductive NPN NO 4 mm with 6-36 V operation current into the box together with a few other spare parts. Now, as I read up on these things…
Trish
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Practical concerns smoothing PLA print with chloroform vapours

One way to give PLA prints a smooth finish is treatment with chloroform vapours (or other solvents, as mentioned in this answer). This method is even featured on Ultimaker website. I would like to try it on some of my prints. What are the practical…
Klara
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Real life stepper speed

I am wondering about the speed that my steppers should achieve in regular operation and what the determining factors are, from theoretical hardware facts/limits to software limitations that can influence performance. I do know about the basic…
kamuro
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What and how much does coloring in the filament affect in the print?

Are there general rules on how much a colored filament vs. vanilla filament affects the print results, what is affected and how those values should be changed in the slicer to achieve more similar results between different color/colored vs. pure…
Leo Ervin
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How can I create PNG image files from STL files?

I need to add some simple image renders of STL files to a document. I currently open the STL files in Preview or one of the slicers and grab a screen shot. Is there an easier or automatic way to generate PNG images from STL files on a Mac?
Mark Harrison
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Finding a shredder for my failed prints

I would love to re-use my failed prints by re-extruding the plastic to be used in the 3D printer once again. One thing that stands in my way is finding an effective way to shred the plastic into smaller bits for the extrude to use. What is a good…
Ljk2000
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Is this banding?

Are these vertical lines described as "banding"? Would the most likely culprit be the extruder? FWIW, this was printed in "vase mode".
Roger
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Run custom code between G-code commands?

I would like to be able to add custom commands/script to be executed during a print. For example I would like to write some software to take a picture check the print hasn't moved off the bead between layers. Does anyone know if any of the…
user802599
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Why is a heated bed important?

I hear that heated beds can help with removing finished prints, but not all printers have them! Is this a nice to have or must have feature? Are there any downsides to heated beds?
linuxdan
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Gnarly filament: just one of those things, or grounds for complaint?

everyone. I'm a relative newcomer to 3D printing, so I don't know what constitutes an unacceptably bad spool of filament. About 1/6 of the way into a roll of PETG (and maybe 4 hours into a 6-hour print), an over/under wrap brought things to a…
Glasseyed
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Extruder motor does not turn

When printing from Cura on my laptop via USB, my extruder motor does not turn to extrude filament. However, when I use the "move axis" command in the firmware (on the little screen on the printer), it seems to work fine, extruding plastic smoothly.…
Scott Saunders
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4 answers

Seemingly random lines on the surface

I'm getting seemingly random lines scattered across the top surface of my prints: Printer: Anycubic i3 mega Slicer: Cura 3.2.1 Printer chosen in Cura: Prusa i3, Gcode flavor changed to RepRap Cura Profile: Fine, "Outer before inner walls"…
AndreKR
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Getting PLA to stick to a cold bed

Right now my heated bed is down and I had no time to try and fix it and I am trying to print something for a friend. I am having the PLA lift around the edges which I have NEVER experienced. The glue is not helping like it did with the heat. And I…
Ljk2000
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