3D Printing Stack Exchange
3D Printing Stack Exchange

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1500 questions
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2 answers

Mains powered heatbed safety

I'm building a 40x40x40cm corexy and I am quite impatient so I want the heated to reach the target temperature as fast as possible, so I ordered a Keenovo silicone heater It is a 220VAC 1200Watt bed, so I really want to make sure that it is safe to…
Franc Navarro Cifani
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Prusa i3 PLA fails to stick to first layer on curves

I have been searching around on google and not found any answers to this dilemma. I am using a Prusa I3 printer with PLA, trying to print horseshoes for the company I work for. They are for model horses, so quality is fairly important. I seem to…
jeremiah harless
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2 answers

Filament clogging just above feeding tube - Duplicator 6

I have this clogging problem on my 3D printer that I am having a really hard time to solve. I am a hobbiest so in no way am I a professional with regards to 3D printers. I also know that this is a popular issue and I have tried a lot of the proposed…
koosbeer
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7
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2 answers

RAMPS 1.4, 1.5 or 1.6?

I'm about to build a Prusa i3 dolly. I am confused whether to use RAMPS 1.4 or 1.5 or 1.6. What is the big difference? Is it only the MOSFETs and the poly-fuses? If that is the case, would it be advisable to upgrade a RAMPS 1.4 board (replacing the…
Jose Ben
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7
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1 answer

How to re-program Prusa firmware to accept a taller Z axis?

Machine specs: Prusa MK3, firmware version 3.1.2. Facts: I have designed a new Z-axis frame for my printer, so I can print models up to 360mm high in stead of the standard 210mm. The plan has worked and the printer is functioning normally with a…
Kryss
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7
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1 answer

Flat heated bed replacement for uneven bed

So the heated bed I got with my anet a8 is not entirely even. The middle of the bed is lower than the outer edges of the bed, which always causes issues with the first layer, especially with a larger print. I know I could do mesh bed leveling but I…
emgoe
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7
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2 answers

Inductive kickback protection?

Is there an integrated kickback protection in stepper motor drivers or should I make my own? I am afraid the steppers might fry the driver or the arduino when i turn off the power for them. I do that by turning off the power supply. I haven't had an…
user10014
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7
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3 answers

Tuning line width and flow compensation in Cura

I'm currently in the process of fine-tuning my cheap CTC i3 clone. I'm using Cura 3.1 for slicing. After calibrating the extruder steps, I wanted to optimize the line width and flow compensation parameters. I am using a 0.4 mm nozzle and therefore…
Sven Rusch
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7
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2 answers

Mending filament?

While I don't think this is easily possible I am wondering if it can be done. So my spool of filament had a tangle and got pulled into the printer head. Some got melted together and after cutting I have a few strands. Would it be possible to mend…
Ljk2000
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1 answer

Marlin's bed leveling Mesh Validation Pattern ignoring home offset

I'm using a Prusa clone with Ramps 1.4, Marlin 1.1.5 and an inductive proximity sensor Z-probe. Due to the design of the printer, the X and Y end-stops and the Z-probe are not exactly aligned with the heated bed, so I must use Marlin's Home Offset…
Ian Mackinnon
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7
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1 answer

Can the `render` function be used to speed up rendering?

I am designing a moderately complicated piece in OpenScad. It renders fast enough in preview mode (1s). But when i do a full render so I can export to STL, it takes ages (In the 10s of minutes) I have read that sometimes the function render is…
Frames Catherine White
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7
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3 answers

What is the best way to connect 3D printed parts?

I want to print a model of an animal cell. What I have so far: I managed to use different colors to print out the different parts of the cell. My question is: what is the best way to connect plastic 3d printed parts? Glue? Melted plastic? I need it…
ʇolɐǝz ǝɥʇ qoq
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7
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2 answers

Is a dual extruder a reasonable choice for all-purpose printing

I'm new to 3D printing and I recently got a LulzBot Taz 6 printer. I'm interested in doing dual extrusion printing (especially with dissolvable supports), but I'm also interested in doing single extrusion prints. In particular, I would like to…
Stephen
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7
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1 answer

Delta printer misalignment at first few layers

At first few layers, each layer has offset to -X/-Y direction base on previous layer. But above ~2mm, it is vertical. I've checked the printer build that there is no noticeable error in towers. Tried both manual calibration and Marlin auto…
aleung
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7
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1 answer

How can I get PLA or PETG to stick to a glass bed permanently without adhesives?

3D printing gurus, I've read on several forums that people have had issues with printing with PETG or even PLA on glass and it sticks so well to the glass that chunks of glass rip off due to thermal stresses from the glass/plastic bond thermally…
Benjamin Samuel Goldschmidt
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