3D Printing Stack Exchange
3D Printing Stack Exchange

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1500 questions
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2 answers

Arduino Mega voltage regulator overheats with RAMPS board

This is my problem: I'm assembling a 3D printer with the RAMPS 1.4 board and Arduino Mega. I have assembled the structure and the electronics (set drivers, placed the jumpers, connected stepper motors...) and have uploaded Marlin firmware…
Francesco
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MakerBot Camera Stream

Is it possible to use the onboard camera on the 5th+ generation MakerBot printers to stream or save to a file? I'd like to try and use the stream for customers on my 3DHubs account and they recommend setting up a YouTube stream. However, even if I'm…
tbm0115
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Is z-axis zero near the hotend?

I'm in the process of building the D-Bot core XY printer, and I was hoping to know if the Z-axis 'zero' is near the hot end or near the bottom of the printer furthest away from the hotend? In this printer the Z-platform moves up and down and the…
electrophile
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Can MeshMixer export models for color 3D printing?

I have captured several models using 123D Catch and Autodesk ReCap 360. I do all my "clean up" work in MeshMixer to prepare the models for printing, and while exporting to STL works great for printing on my home FDM printer I haven't been able to…
TheNewHobbyist
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What grade of wire is required for the heating element on a J-Head extruder?

I have a large resistor that goes in my J-Head extruder. It's grey, and it came with the extruder. I'm uncertain as to what grade of wire I need to solder to it. It being one of the elements of the system that heats the hottest, I would think that…
leeand00
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Recommended settings for ColorFabb Copperfill Filaments on a 0.25 mm Nozzle?

I switched out my 0.4 mm Ultimaker 2+ Nozzle the other day for the 0.25 mm and started using a ColorFabb Copperfill 2.85 mm filament. I am having some issues with it clogging and sticking to the bed for larger prints: Current settings…
IT Tsoi
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What causes the print heat to 'catch' on the part?

What would cause this effect, and how can it be avoided? This is a PLA print, and it should look like this. I tried 215 and 225°C and both had the same effect. An earlier similar print at 220°C was not as bad but it still had some catching- it…
Spehro 'speff' Pefhany
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6
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Large flat ABS print curling during cooldown

I am printing a large flat print, approximately 8" x 4" x 1/8". It has good adhesion when printing and lays flat when finished. I allow the print to cool slowly but the center of the print bows upward 1/16"-1/8". It bows in both directions but more…
jmb2341
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2 answers

Auto bed levelling with Rumba board - Servo not deploying

Has anyone succeeded in installing the auto bed levelling on a Rumba board with Marlin firmware? I have the last stable version 1.1.0 RC6. I would appreciate some direction especially about: How and which pin to activate for the servo? How to test…
FeliceM
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How should I power these stepper motors

I am rebuilding my printer, a hold Prusa/Mendel that has been boxed for years. I have changed the board ( I am using a Rumba) and the drivers (I am using Pololu 8225) with heatsinks and 1/16 microsteps. 5 motors type 42BYGHW811, rated: 2,5 A, R 1,25…
FeliceM
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Slicing software and Sidewall

I am new to FDM RP. I've done a lot of work on ZCorp and Connex. The question is can vectors curve drive an extrusion nozzle? Within a 3D volume I can generate curves that I want the print nozzle to follow. Is this possible or has it been done?…
AlohaJoe
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1 answer

Editing arc in Marlin for 3d printing

I'm working on designing a 3d printer with a team. The team is using marlin open source software and I started half way into project trying to make sense of things. Apparently there is an issue with the wheels moving the print head and it always…
Jay
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6
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1 answer

Poor first layer bonding and bridging issues with Prima PETG

I have a roll of Prima PETG, I like the strength but I am having a few issues - the outside perimeter of the first layer often breaks away as a loose string (so it's not bonding with the second layer or perimeter next to it), small areas tend to go…
JBFUK
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Makerbot Replicator 2 restarts after preheating the hbp

I've recently upgraded my Replicator 2 with a heatbed and the more powerful power brick (9.2A). The problem I'm having right now is that the Replicator restarts right after the preheat of the bedplate finishes. It does not matter which temperature I…
Burbas
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Applying Kapton Tape To Bed Plate

There must be a trick to doing a good job of applying Kapton tape on a printer bed plate… We built a Bukobot and even with a great deal of care ended up with bubbles under the tape and occasional overlaps. I'd appreciate any pointers.
dlu
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