Questions tagged [prusa-i3]

The Prusa i3 is the third iteration of Josef Průša's RepRap 3D printer design. This is an open-source design, the tag should be used regardless of individual manufacturer. You might want to add the specific manufacturer or model as a separate tag.

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7
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3answers
5k views

Does anyone know the thread size (pitch and lead) of the Anet A8's lead screw?

I bought a new printer, and unfortunately the left nut for the lead screw isn't tapped. Does anyone know the thread size, w.r.t. both pitch and lead, of the lead screws?
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1answer
318 views

How do you call the Z-axis mechanism in a Cartesian 3D Printer?

How do you call the mechanism that allows linear motion along the Z-axis in a Cartesian 3D Printer? I know what the individual parts are; it is a lead screw, a smooth rod ... but how do you call the ...
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0answers
24 views

Adjusting extruder

Since I have some problems with printing I wanted to try to adjust my extruder esteps. While changing the esteps I noticed that the value has almost no impact. My default setting was 93 and the ...
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1answer
59 views

Prusa MK3S Y-skewed prints

My prints have recently started to come out with a serious skew along the Y axis. This occurs regardless of printing parameters such as speed/acceleration. I don't know the exact cause yet, can ...
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2answers
111 views

Mesh bed levelling does not update any more after MemoryError

I have had issues with printing on my i3 MK3, especially when it came to the first layer. In March 2020, I have installed the Prusa Mesh Leveling plugin for Octoprint. With that plugin and a Nylock ...
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1answer
21 views

CTC i3 Y-axis thin / no filament deposition

I have this CTC i3 printer; when I print square test prints, as it moves along the Y-axis back to zero (front). It extrudes lines but very thin or none at all. But opposite direction along the Y axis ...
5
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1answer
140 views

What type of plug is this?

I'm not really sure what the type of plug on the heater cable is. Is it a Molex KK or maybe a JST PH? The printer is a Prusa I3 Hephestos (aka BQ Hephestos). It came with this "BQ HOT-END ...
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2answers
48 views

MINTEMP BED Fixed error when running consecutive print

I am using "Pretty PETG" along with PrusaSlicer's consecutive print mode. What I am noticing is that upon finishing the first print, the printer hits ...
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4answers
929 views

Trouble printing small thin pole

3D-printing newbie here. I have a Geeetech's Prusa i3 mk2 B. I'm trying to print this: https://www.thingiverse.com/thing:1358311 That's a mold, with 2 external parts and a core. The exterior prints ...
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3answers
88 views

Under extrusion

I have a Prusa i3 3D printer and am using Slic3r for slicing. I've noticed that my extruder is underextruding. I've correctly set the nozzle diameter and the filament diameter and I've already tried ...
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1answer
1k views

Change hotend thermistor input in Marlin

I have a Marlin driven Prusa i3 clone, by accident I cut through both thermistor wires for the hotend while it was powered on. The Arduino reset and the hotend thermistor no longer work. Since there ...
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2answers
358 views

PETG grinding with direct drive extruder

I've been wrestling with a filament grinding problem for a few weeks now and I'm stuck. The problem manifests itself as starting a print alright then extrusion stops while the printer keeps moving. ...
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0answers
60 views

Can't manage to force my print to standby while I insert a nut - Prusa Slicer and Tronxy XY2 pro

I use the Prusa Slicer on a Tronxy XY-2 pro which I believe uses RepRap firmware. I believe it uses RepRap firmware because I had to input it into the Prusa Slicer initialization questions, but I'm ...
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0answers
38 views

Print quality ruined after firmware update i3 mk3

I'll try to give as much detail as I know here but let me know if there is anything missing. I have a Prusa i3 MK3 that I got in about 2018 and it was working perfectly fine. Print quality was pretty ...
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1answer
56 views

Ringing with Ultimakers, what is the cause?

At my work, we have 3x Ultimaker 2+, 1x Ultimaker 3 and 1x PRUSA i3 mk3s. The Ultimakers have been used quite a lot for the past three years, but the belts and bearings seem ok. I got heavy ringing ...
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0answers
392 views

Prusa i3 Linux Mint Slic3r install problem

New to this domain, I got my prusa i3 last week and finished assemblage. Repetier params in Linux Mint 18 are ok too. I'm now trying to launch slic3r for the first time but I got this error launching ...
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2answers
603 views

3D Printed Sphere, How to Remove Roughness

I have a model of an eye that I custom made in Blender 2.83 that when printed only creates roughness on the printed object near where I had the supports. The supports are not the cause of the ...
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0answers
100 views

Running a Pi 4 off of a Prusa MK3S

I'm having some trouble powering a Raspberry Pi 4 for Octoprint off my Prusa MK3S. When I connect the Pi directly to the Rambo board from the GPIO header pins (as in the image found at this link -> ...
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3answers
262 views

What is this called and where can I buy a replacement?

In the image, there is an object circled in blue on the anet a8 printer that I need to buy a replacement of, however, I can not find it online, please help.
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0answers
46 views

Translating values from marlin firmware to reprap firmware for Prusa i3 MK3S

I am also a beginner trying to understand the firmware values and getting to know my printer before I actually get the duet so please bear with me, do let me know when I have gotten the values or ...
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2answers
352 views

How to solve burnt blobs on Prusa MK3S (PETG)?

As stated above, I am trying to solve a problem I've had for a long time. Unfortunately, this has recently intensified to the point where it causes layer splitting/detaching from each other. I have ...
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0answers
26 views

Geeetech i3 Pro C with 3DTouch major issues

I'm in dire need of trying to fix my Geeetech i3 Pro so many attempts to fix it. After connecting all these pins correctly I uploaded the Marlin firmware with the correct configs. I will attach the ...
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1answer
38 views

Can't print the top part of a circle

I'm trying to print the painter's tripod from this tutorial: I can't get it to finish the print. It always fails towards the top when it's closing the circles. I've tried brims and even glue for ...
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2answers
2k views

Prusa i3 MK3S keeps clogging during print. Ugly streaks sometimes, and complete clog when printing with lower layer lines

The extruder on my Prusa i3 MK3S keeps clogging while printing. Loading is fine, and each time it clogs, unloading and loading the filament seems to work. The filament extruded just after resolving a ...
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1answer
126 views

How to check if filament sensor is ok?

The filament sensor of my i3 MK3 stopped working. In the support menu, it just says IR: N/A. This is the same output as if I disconnect the filament sensor. My PCB ...
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1answer
50 views

Issues with print Prusa i3 infill breaking and causing clogs

I'm having some issues with my Prusa i3 prints. I'm trying to print the default beer opener print that came with the Prusa's memory card but the infill will break causing clogging and now allowing the ...
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0answers
28 views

ETA for print job showing negative in Repetier host

I'm using Repetier host 1.0.6, and ever since adding default retraction settings, the "ETA" showing during a print job is negative: It stays this way throughout the print job, which is no fun, since ...
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4answers
637 views

First layer looks weird and print fails

Update below Printed 650 of these tokens, no problem. Then all of a sudden I can't get them to stick and the first layer looks wavy and weird. After a few tokens it knocks one loose and the whole ...
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5answers
10k views

Prints falling off the bed towards the end of the print

I have been trying to print an object that is 4 inches tall. About at 3 inches it falls off the bed. I am using tape on the heated bed and right before the print I am wiping the bed with rubbing ...
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1answer
114 views

Prusa MK3S weird 'Blobs' on PLA print surface

This is the first time I've run into this problem and it seems very confusing. I wanted to print a simple functional part out of PLA and although the first few layers were fine, the 6th/7th layer ...
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0answers
49 views

Prusa MK3S Nylon&ABS print failures

I'm using Prusa i3 MK3S and every time I want to create a durable, impact resistant part, I use ABS/Nylon. The problem is, however, that when I print something small (of less than 1 cm width for ...
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1answer
353 views

Odd print artifacts on same layer as large top surface

I printed the following object (I'm printing the single opening version, Flower_pot_3.STL), and observed an unusual print artifact. I would like some idea of what's going on so I can avoid it in the ...
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3answers
1k views

PRUSA likes the bed to be cleaned with isopropyl alcohol. What else should I use?

I have the original Prusa i3m3 printer. Prusa recommends cleaning the bed before each print with isopropanol (isopropyl alcohol), with only occasional cleaning with acetone. The textured bed ...
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1answer
118 views

Prusa i3 MK2 Heated Bed Thermal Runaway Problems

I'm having an issue with my Prusa i3 MK2 MMU. It starts printing just fine, and everything gets up to operating temp quite quickly. However, after printing the first few layers, it seems as if the ...
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3answers
2k views

3D printer stepper motors only going one direction and skipping in the other

I have built a couple of 3d printers now and I'm having a little trouble with one I'm currently on. I frankensteined this one with two of my other printers that I had built. I took the Arduino mega ...
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0answers
26 views

Printer places prints off the bed after change in bed Z-probe area settings [duplicate]

I really don't know what I am doing wrong. Since changing my bed level sensor from left of the extruder to back mount, it doesn't work proper anymore and I have some fundamental thing I don´t ...
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1answer
60 views

My Z-axis is limited to 15 mm at height [closed]

I have a Prusa i3 and I have a problem concerning my Z axis. It stops at 15 mm even the object to print is more than this. Can you, please, help me to solve this problem.
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0answers
46 views

Help needed implementing Bear Upgrade

I am attempting to build a 3D printer using the Bear Upgrade for guidance. In this moment, I am implementing the X-Axis. The X_end_idler consist in two parts, the idler and the belt tensioner, as you ...
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1answer
2k views

Filament spreading apart and stringy on first layer

I keep having this issue on prints where the first layer has stringy lines that don't stick together. I've tried the following things Replaced nozzle and throat Used new filament (to rule out ...
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1answer
157 views

E3D V6 nozzle seized into heater block

The 0.4 mm brass nozzle in my Prusa i3 MK3 is worn out - the extrusion hole is visibly larger than the replacement nozzles I have to fit. So I’m trying to replace the nozzle. Unfortunately the ...
4
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1answer
915 views

Adjusting Z-axis (Monoprice Maker Select)

Have a Monoprice Maker Select v2 and have recently changed to an Anycubic Ultrabase glass plate. In Cura, the model I am printing is in the middle, as shown here: but the printer puts it around 2/3 ...
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3answers
3k views

PLA bubbling in the first layer of a print

I am using a Prusa i3 printer and just recently I have been having problems with the first layer. Here is a picture of what it looks like. I have tried levelling the bed and it seems to be level. ...
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2answers
536 views

Best way to fix ABS corner curling on enclosed Prusa style printer with PEI heatbed?

I'm trying to set up an enclosed (custom enclosure) Prusa i3 style printer for ABS, but having a fair amount of difficulty preventing the part corners from curling. Detailed specs: Geetech A10 (...
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1answer
2k views

Screeching Noise when moving the Z-Axis Down

I have had my Prusa i3 clone for about two years and it has always made a screeching sound when the z-axis is moving down. I have tried many solutions for this problem like greasing the z-rods, ...
2
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2answers
803 views

How to re-program NEW Prusa MK3 MMU2 to accept taller Z axis

In a previous question, I have modified the Z-axis-height of my Prusa Mk3 from 250 mm to 350 mm. Prior to the MMU2 upgrade, I changed the code in my printer to accept the new height the following way: ...
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1answer
300 views

Prusa i3 MK3S Z axis moving down in calibration wizard

During recalibration of my printer (due to the nozzle catching on the prints), the Z-axis went down where it used to go up, damaging the heatbed steel sheet in the process. It then failed calibration. ...
2
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1answer
219 views

PID autotune fails under all conditions so far. Any ideas I haven't tried?

I got some Prusa i3 clones with Melzi boards with Marlin, or nearly so. One of them performed very well (considering that the board would reboot whenever power was applied to the build plate. But I ...
8
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1answer
870 views

Does Octoprint stop printing on Crash Detection?

A corner of my model curled up, causing the head to crash into it. The Prusa MK3 detected the error, printed a message to that effect, and moved the print head to the home position. I was surprised ...
3
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1answer
568 views

Prusa i3 mk3 step skipping and layer shifting

After approx. a year of more or less problem-free printing (40 days print time) with Prusa i3 mk3 kit, we started to suffer the random layer shifting on Y axis. We inspected all the motor connectors ...
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0answers
61 views

Shell detaches from the rest of the part

I'm printing with a Prusa MK3, with the following settings: 3 perimeters 50 % infill infill overlap: 50 % The filament is Polyalchemy emerald green (PLA). Nozzle temperature: 210 °C. ...

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