3D Printing Stack Exchange
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1500 questions
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1 answer

G-code firmware for handheld plotter (Arduino)

I'd like to build a plotter to work without a PC (power supply by battery). Plotter will write only several numbers on a card (really short G-code). Do you know any firmware, which can be easily modified for this reason? Or do you know G-code…
kalu1
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What is a good strategy for removing 3d prints from an UNheated Glass bed?

I have a LARGE piece of glass (36"x26") that I will soon be printing on using my newly build MPCNC machine. It is capable of printing about 34"x34"x10". Anyway, I have had GREAT success printing on heated glass that is sprayed lightly with…
Curtis
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What should I think about if I want to design something modular?

For a while now, I have been thinking about designing things such as small bedside tables, game/dvd/bluray racks for 3d printing. I've always thought that making them modular would be a good way to go about doing this as well. Modular design would…
Jake Millington
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3 answers

Clean or wipe move for delta 3D printers

I own a delta 3D printer. The problem is that, at the beginning of a print the extruder outputs dirty filament. I want a clean filament flow at the start of my prints! How can I make the hotend exit the print surface (glass plate) by 10mm, extrude…
Thundercoal
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Does the material a bed is made out of affect the cooling time of a part?

Let's say I print a part out of ABS and wait for it to cool. I could theoretically do this with several copies of the same printer, modified to use print beds of different compositions. Will the material a bed is made out of affect how long it takes…
HDE 226868
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Marlin menu navigation slow while printing

My Kossel Mini printer (delta) has RAMPS1.4/Arduino Mega electronics configured to use a standard 20x4 LCD display with Marlin during printing. Often, navigating the menus during print can be painfully slow, and I occasionally end up making the…
Tormod Haugene
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How can I optimize my print for casting in metal?

A fellow maker has tried printing a 3D model in clear PLA (<5% infill, 1 or 2 perimeters), burying it most of the way into casting sand, and then pouring molten aluminum. This melts and burns the PLA, and the aluminum takes the space that the…
Mar
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What is the Fade Height option in Marlin?

Going through the printer options, I came across the Fade Height option under Bed Leveling section. What is it and what is its use in Marlin firmware?
kosteklvp
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How can I upload STL files to OctoPrint?

I started playing with OctoPrint and I already have it configured for external access and management, using OctoEverywhere. I would like it to be an easy to use printer, because it is shared between people that don't use Cura or PrusaSlicer, so I…
Diego Manzanares
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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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6
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2 answers

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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6
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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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7 answers

Is there a method for telling how much filament is left on a spool?

Other than unrolling it and measuring it, is there a method for telling how much filament is left on a spool, for example calculating a length bases on weight or number of turns left on the spook? Is it possible to extract the amount of filament…
Aaargh Zombies
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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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