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Questions tagged [reprap]

For questions regarding RepRap (replicating rapid prototyper) project and related topics as FFF (Fused Filament Fabrication).

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0answers
69 views

How to add a patch to “Marlin_main.cpp”?

According to this question, MKS 12864OLED Display setup, I need to add a patch to "Marlin_main.cpp" but this a large file with 14789 lines of code! I don't know ...
1
vote
1answer
65 views

Steppers don't work as expected while printing

I have a problem with my steppers of a RepRap 3D printer I'm making. I assembled the machine and performed the endswitch calibrations. when the machine is not printing, the steppers are moving as ...
4
votes
1answer
493 views

MKS 12864OLED Display setup

I've bought MKS 12864OLED and connected to my DIY 3d printer with Mega/RAMPS combination. In Marlin's configuration.h file there are these lines to uncomment: ...
2
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1answer
107 views

Wrong Z-Axis movement in G-Code

Alright so I bought a broken UP mini. There was only a defect on the board so I connected the components to a Duet 2 Wifi. Everything is fully operational and I can manually move all axes correctly ...
4
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2answers
1k views

Extruder drive cog slipping on filament

I've been printing PLA on a Pegasus 12" for 2 years. Print quality has been great but in the last few months the quality of the prints has deteriorated. After looking into it, it seems when the head ...
3
votes
1answer
607 views

Dual extruder clogging problem

I have attached a dual extruder (2 in 2 out) to my 3D printer. There is a repeating problem of clogging while printing. I have fixed Chimera hotend. A big fan, which covers area more than the ...
4
votes
1answer
107 views

MKS board losing power after endstop installation

I just bought an MKS gen v1.3, and everything on it works fine except for when I plug in the endstops. My X endstop works perfectly in every endstop outlet, but when I plug in my Z and Y endstops, the ...
4
votes
1answer
79 views

What printer is this?

I've been watching this video 3D printing guides: Calibration and why you might be doing it wrong and at the start (at 0:30) three of the first Reprap printers are mentioned (and shown): Darwin; ...
4
votes
1answer
91 views

Not able to insert hobbed drive and filament in the extruder drive

I am building a AlfaMendel 3D printer (edited : The original question named it to be Prusa Mendel I2). I printed the extruder drive using PLA material from the STL available in the package but I'm not ...
5
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1answer
1k views

Perplexing Y-axis shifting problem - only in positive y direction, and only on moves of a very specific radius

I'm running a RepRap based ORDBOT Hadron on Repetier firmware version 1.0 that I built from a kit. I've slowly worked out the kinks but this one is an utter doozy. Basically I occasionally get ...
4
votes
1answer
2k views

Z axis Stepper motors not working correctly

I have been searching around the internet for the last 3 days trying to figure this out. My Z axis motors for a pursa-i3 3d printer are not working correctly. I have marlin firmware and using repetier ...
10
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3answers
2k views

Under extrusion towards the end of the print

I have really strange problem. Thing is that my print (first layer) started ok, not good nor perfect but ok and everything was going well but then all of a sudden, near the end of a print, quality ...
3
votes
1answer
3k views

How do I use MEGA pin number designations rather than RAMPS pin numbers in marlin

I am designing my own shield for the MEGA2650 that I will use to control my printer. When defining pins in the marlin firmware, the pin numbers are the pin numbers of the RAMPS shield and not the ...
8
votes
2answers
936 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 ...
1
vote
1answer
96 views

Cherry 3D printer Nema upgrade

I'm currently attempting to build the reprap Cherry 3D printer. I'm doing the Nema 17 upgrade for the printer. I realized that the instructions online are optimized for the 28byj-48 stepper motors. ...
2
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0answers
302 views

Prusa i3 Mk2 (RepRapGuru kit) stops extruding mid-layer

So I've been fighting with this all weekend, figured I'd see if others have suggestions. When I attempt to print, my printer will go just fine until about the half way point on a layer, then there'...
1
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1answer
78 views

Z motors work synchronously ToyRep

I have a problem with Z direction. As you know it has two motors. And my problem is that one sometimes goes to the different direction (so basically one is screwing and another one unscrewing). It is ...
4
votes
1answer
120 views

Ramps 1.4 and extruder

I have ToyRep printer (RepRap), with RAMPS 1.4 on the board. And I am powering in from ATX power supply with 12V. And the problem is it doesn't heat to 230(for ABS), max value was 173 degrees by ...
4
votes
2answers
1k views

How thick does an aluminum print bed need to be

I am extending the bed of my TronXY X3 FDM RepRap printer. I am extending the bed from 220 mm x 220 mm to 220 mm x 300 mm. For now, I will keep the existing bed and add and ...
1
vote
1answer
84 views

Upscaling a reprap

I've been 3D printing for almost 4 years. Now that I have an M180, my RepRapPro Huxley is collecting dust as I only use it for flexible prints and ABS prints as it handles them better than the M180 ...
7
votes
4answers
1k views

Sharing a printer over a network

I have a Tronxy X3 (i3 Clone) running Repetier firmware on a Melzi board. I would like to share the printer over my home network so that: Both my boys and I can use the printer. (We have separate ...
2
votes
2answers
385 views

Is there a G-code to get power supply state?

I'm using M80 and M81 G-codes to power on/off power supply. Is there a G-code to know the actual state of the power supply?
4
votes
1answer
542 views

Can I repurpose the ISP pins in the lower right corner of the Melzi board?

Background: I have many years of experience with AVR and ARM Cortex PLCs and I feel very comfortable using them in projects but I am not an EE or SE. So, if I make a mistake or misunderstand something,...
3
votes
2answers
3k views

How to switch motor outputs and use E1 as X, in Marlin firmware?

I broke up my electronics and now the output for X is not working. The stepper is OK. There is any simple solution to remap the output pins? I want the E1 output to act as the X output.
4
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4answers
122 views

Difficulty getting good precision

I have a reprap printer with 0.3mm nozzle. It prints quite well, I am really surprised with quality of all the surfaces and the general precision of the parts printed. BUT I HAVE a problem: when ...
4
votes
1answer
160 views

Reprap Ormerod 2 Duet web control not automatically starting, how can I fix?

I have an Ormerod 2 which is controlled by an Duet board with original up to date firmware. When I power it on and try to use the web interface (web control) it seems to not have started. When I ...
6
votes
1answer
260 views

What are some conductive filaments that can be used in printing electronics?

I'm very new to 3D printing, and I am very interested in printing electronics. I want to be able to print out circuits, so I've been trying to find a conductive filament. What sorts of conductive ...
1
vote
1answer
234 views

Reprap prusa i3 Y and Z axis swapped when printing GCODE files

I'm having an issue with my new Prusa i3. (This one: https://www.amazon.co.uk/gp/product/B01DLIRDFW/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1) For some reason the Y and Z axis are swapped when ...
5
votes
2answers
4k views

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 ...
8
votes
1answer
166 views

MINTEMP error after crash

I just got my HICTOP Prusa i3 Aluminium frame printer and finished putting it together. After setting it to preheat, I realized the bed was not level - I adjusted it and accidentally caused the head ...
6
votes
2answers
317 views

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 ...
8
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3answers
2k views

Connector Suggestion for Extruder and Heatbed

On my Reprap-like 3D printer, I routed all the wires to a spot near the base; for the motors, endstops, thermistors, etc, I plugged them all into a DB25 breakout board, and that's working great. For ...
6
votes
1answer
251 views

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 ...
2
votes
2answers
89 views

Belt driven axis question

I'm currently attempting to make a repstrap using paper printed parts, like this guy : http://www.mariolukas.de/2012/05/repstrap-3d-drucker-aus-computerschrott-teil-1/ I replaced the DC motor in a ...
10
votes
2answers
6k views

How does the home position work on a Prusa i3 RepRap Printer?

By what process does the Prusa i3 determine it's home position? I have a feeling that it works like this, but I'm not entirely sure about it: If none of the end stops are activated; assume you are ...
7
votes
1answer
369 views

Cloning the Marlin git repo while keeping my configuration.h settings?

I cloned the Marlin repository and changed all my settings in configuration.h to match my old settings. Now when the RC branch gets updated, is there a way to ...
6
votes
1answer
6k views

Marlin temperature sensor problem

I have a RAMPS 1.4 and an Arduino Mega 2560. The problem is with 100k NTC thermistor. I've tested it with a multimeter, it results in ~122kΩ. I am using Marlin 1.0.2 (latest stable). I am using ...
19
votes
3answers
8k views

Should I enclose my 3D Printer?

I have a home built RepRap with all sides open.. Would there be any advantage to enclosing the print area in acrylic?
4
votes
2answers
2k views

Is there a lubricant that can be used for linear bearings, bronze sinter bushings and threaded rods alike?

My printer will feature LM8UU bearings/threaded rods for the z-axis and bronze sinter bushings on the x- and y-Axis. As also, but not only, written here http://reprap.org/wiki/Lubrication, I know ...
5
votes
1answer
386 views

Which algorithm does Marlin use to create arcs?

I'm writing a paper about a plotter (I use a Prusa i3 with a custom "extruder" aka pen). And I'm supposed to write about the algorithms I/the plotter use(s). I tried reverse engineering, but since I'm ...
10
votes
3answers
10k views

What's the advantage of two z motors?

Some RepRap models use only a single motor for the Z axis, others use two. For example, there is the 3drag that has only one motor and a smooth rod on the other side. There are modifications that add ...
6
votes
1answer
1k views

What are the advantages/disadvantages of using synchromesh cables instead of belts?

Some 3d printers use synchromesh cables instead of belts. For example, the Deezmaker Bukito (http://bukito3d.com/) and a number of RepRap conversions. Photo from http://christophergranz.com/?p=449 ...
6
votes
2answers
168 views

Laser cutting on RepRap

I have seen some lasers attached to the RepRap platform for cutting but most seem to be cutting paper, balsa wood, or merely etching. If I were wanting to build a platform for cutting wood, similar ...
6
votes
1answer
1k views

Using an Arduino Mega with burnt voltage regulator

Due to a not-given compatibility with Makerbot mechanical endstop wiring (and carelessness on my side) I ended up burning the voltage regulator on my Arduino Mega 2560. Now, powering the Arduino ...
-4
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1answer
216 views

How to make your own 3D printer? [closed]

I am wondering if I can get some electronic and mechanical layout of the machine. Is it possible to make 3D printer components with 3D printer?
7
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1answer
257 views

How is a J-Head Extruder Head attached to the Prusa i3 rework?

I am building a Prusa i3 Rework, and I haven't been able to find out how to attach my J-Head extruder (see below), at the moment it's just kind of held there by pressure, but it seems there are two ...
9
votes
3answers
3k views

Tips for not burning out my Arduino Mega or catching something on fire when wiring a Prusa i3?

I'm reading about wiring up the electronic components to my Prusa i3 using an Arduino Mega 2650 and Ramps 1.4. I have step sticks, a heated bed, and a Switching Power Supply 12v Dc 30a 360w (more ...
11
votes
3answers
266 views

How many times printed printer can print it-self?

There is a 3D desktop printer RepRap which can print most of its own components. Assuming each printed printer will print the next one and so on. Are there any limitation how many times this can be ...
10
votes
2answers
1k views

Is the weather a problem for MDF frames?

I've acquired all the parts to build a Reprap Prusa i3 rework, the only missing part is the frame. I'm in doubt between a MDF cut (cheaper) or acrylic (more expensive), of course a cheaper one is my ...