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Questions tagged [diy-3d-printer]

Questions related to 3D-printers, that are either not manufactured on a commercial scale and assembled by the end user, or are designed and built by a non-commercial entity.

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37 views

Newbie looking for great online community to connect with others and work on projects [closed]

1st post on here. I am not sure if I am on the right forum for this, but I love the idea of 3D printing technology so I figured it might be relevant here. I have started using python using tutorials ...
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Stepper motors not working when connected to RAMPS 1.4

Stepper motors are not working when connected to RAMPS board in the X,Y,Z pins. I used A4988 drivers and the Arduino board is an original version. I checked the input voltage to the RAMPS board, it's ...
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2answers
451 views

How to 3D print an ID card

Say I wanted to print a plastic credit card like shape (like these), but with a QR code engraved. How could I do that for cheap? You can buy an "ID card printer" for $1,000-1,500 on Amazon, but that's ...
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3answers
89 views

My 3D printer hotend always jams

I've just built my first 3D printer. It uses a Bowden setup. When I try to print the extruder starts fine, but after a few seconds the extruder motor start skipping and the nozzle is jammed. I ...
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34 views

Surface Tension Support for FDM Printers

I've been thinking about alternatives to support materials for FDM printers, such as multi axis printers, dual head with soluble support material or printing in a gel/liquid which traps the material ...
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2answers
238 views

Help needed to design 3D printer part

I am attempting to build a 3D printer using the Bear Upgrade for guidance. However, I want to modify some of the parts. I am basing the modified parts on the original designs. I would like to ...
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1answer
52 views

Building 3D printer: LM8UU bearing can't fit into

I'm new to 3D printing and I'm learning how to build my own 3D printer. I bought polymer LM8UU bearings and I'm trying to fit onto a rod of dimension: D8 mm * L300 mm. Sadly it doesn't fit, ...
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1answer
37 views

Using stepper motors with integrated controllers

I just scavenged stepper motors from an old laser printer. These have integrated controllers. I'd like to use them without dismantling the controllers. I currently have 4, 6 and 9 wires stepper motors....
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1answer
230 views

Thermal runaway on extruder hotend

I am getting thermal runaway even after PID autotunning many times. I tried 10, 15, 20, 25 and 30 cycles and after reuploading FW onto the printer but I still get the error... I've built a copy of ...
5
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1answer
307 views

Setting Junction Deviation in firmware has no effect

I have built a 3D printer with Marlin bugfix-2.0.x forked from github. I am attempting to set the default value for junction deviation so that I don't have to change it through the printer's screen/...
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1answer
102 views

CoreXY Carriage moves on the Y when moving the X

I have a custom designed and built CoreXY printer. I have noticed that when I order the X to move from one side to the other (right to left) that the Y axis moves back about 0.6 mm as well. When ...
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2answers
75 views

My DIY printer only boots when all my endstops are triggered. Why is that?

Recycling a Robin Nano board to build a 3D printer using an old computer PSU (300 W), it only boots on when I have no endstops pugged in at all or if I trigger all the ones I have plugged. At the ...
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1answer
78 views

Anet A8 not printing over heat bed

My Anet A8 printer will not print over the heated bed. Once I have prepared a file on Cura and inserted the SD card into the printer, the nozzle (extruder) moves into the top left corner and stays ...
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33 views

3D printed object can't print straight upward [duplicate]

I have a weird problem, my object base starts good and then as the object goes to the next layers it is off centered. I have a picture to better explain.
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1answer
39 views

Proper hotend heater for Reprap x400 Pro V3

I'm trying to verify the correct hotend heater for a Reprap x400 Pro V3. I know a 12 V 40 W doesn't work. A working heater measures 4.4 Ω, so I'm guessing it is a 12 V 30&...
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1answer
89 views

Changes rods for linear rails

I would like to know if it is possible to change the rollers for linear rails, just replacing or some calculation should be done and take some precautions. In my case, I have a Core XY DIY printer. ...
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2answers
94 views

Using both .gcode and .gbr files in a hybrid 3D printer + circuit etching machine? (RepRap 1.4 with Marlin firmware)

I'm making a hybrid 3D printer and circuit etching (CNC milling) machine that can both 3D print and etch prototype circuit boards. I'll be using Marlin firmware with an Arduino Mega & RepRap 1.4 ...
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1answer
239 views

Retraction Jamming Problem!

Recently I had this problem where I needed to change filament from PLA to PET-G or similar. And... filament jam. After playing around with different settings and speeds and still getting the same ...
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3answers
166 views

Extruder problem

When I am trying to print something on my home made 3D printer, I can print the first and second layer, then the Bowden extruder's gear starts slipping; it cannot push the filament anymore,the gear is ...
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1answer
120 views

3D Printers imported from China - avoiding asbestos exposure [closed]

Many 3D printers are made in China, and as asbestos is still legal in China (with large ongoing production it seems). It is thus quite possible to end up with a 3D Printer that has asbestos parts in ...
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1answer
112 views

How to create supports for the parts hanging above 45 degrees? [duplicate]

Do you have any specific process recommendations to achieve support for the parts hanging above 45 degrees, using open source software?
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4answers
2k views

Are there practical reasons to NOT use a stepper motor with lead screw for the X and or Y axes?

After a few months of printing with my Prusa Mk3 (with plans to get a second one soon), I have been wondering about making my third printer a home-built one was a larger print bed than the Mk3. One ...
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1answer
78 views

Weird lines and smaller height

I finished my first print and it came out like this I calibrated all my axis steps and manual movement gives perfect numbers. I am printing with these slicer settings: I don't even ...
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1answer
776 views

Why do 3D printers have only one limit switch?

I have seen that many 3D printers have only one limit switch for each axis, how does it know where to stop on the other end? My first guess is that the machine knows how big the plate is, and ...
2
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1answer
145 views

How to decrease sensitivity to heat-bed temperature?

Sometimes I use a DIY 3D printer running Marlin firmware and I have a hard time to set my heat bed temperature. when I set it to 70 °C for PLA, after a few minutes it decreases to 67 &...
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25 views

Help-build a decent 3D printer for a beginner (any ideas/tips/info) [duplicate]

Hi I'm a beginner looking for an helpful advice on how I can build a 3D printer for practice before getting an official 3D printer. If you have any suggestions/tips/info/etc. Please let me know as I ...
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1answer
118 views

Can I repurpose most of the components of this Prusa clone for a Delta?

I have a generic Prusa clone that I'm not using (my primary issue with it is the lack of rigidity in the frame housing as built). Will the motors (ks42sth40-1204a) and controller that come with it be ...
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1answer
81 views

Can I replace a damaged firmware of a 3D printer based on Arduino Mega?

I have acquired a second hand 3D printer, the GEEETECH I3 Pro B. The previous owner tried to change the firmware but he made a mistake and he bricked the board. I want to substitute the firmware of ...
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2answers
182 views

Exhaust air solution

Can you think of a preferably cheap solution for me? I need a machine that pumps air out of my 3d printing enclosure, about 4 meters of pipe length. (From enclosure to window) What kind of pump or fan ...
3
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3answers
772 views

After some time stepper motor is hot

I have three stepper motors. One Nema 17 - 2.4 ohm, the second smaller noname from color printer - 9.5 ohm and third the smallest noname from cdrom - 10.5 ohm. I have connected them to arduino mega ...
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0answers
47 views

Firmware upload

I have a 3d printer without a firmware. It's a Wanhao Duplicator I3. I try to upload a version, but I have a little problem, at uploading on melzi board, it's a V03 version. I try this tutorial : ...
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2answers
69 views

Any video tutorial for 3D printing [closed]

I am new here and would like to work on a project to 3D print a precision prototype. What is the most affordable way to do it? How do I go about it?
2
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1answer
95 views

Extruder Motor Not working during Printing [closed]

I am a newbie trying to setup and configure a 3D printer following online YouTube videos and tutorials. I am trying to configure a Hypercube Evolution 3D printer. I followed Tech2C videos (on YouTube) ...
2
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1answer
77 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 ...
2
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1answer
48 views

Premium heated bed upgrade options?

The stock heated bed which came on my Creality printer is significantly warped beyond any simple leveling with the screws. Lets say I want to upgrade the stock bed to a premium heated bed, does such a ...
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1answer
117 views

Creality ender 3 buildplate jamming

I bought a ender 3 a short time ago and yesterday i noticed a print failed. It seems like the buildplate jammed while trying to move along the y-axis so i replaced the v-shape wheels that keep it on ...
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0answers
50 views

Path of a nozzle crosses over itself

I built my first printer couple of days ago. I started printing small models (20x20 mm max.) and everything was alright at first. However, when I tried to print a bit larger models, I started ...
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0answers
80 views

Linear guideway with Ball screw for X, Y ,& Z axes [closed]

I'm building a 3D printer for bio medical application and looking for different opinions on motion system. Build volume 400x300x250 mm I'm thinking about using Linear guide way with ball screw Linear ...
4
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1answer
456 views

Connecting OLED 128x64 LCD; dogm_lcd_implementation.h is missing for patching

I'm trying to install a MKS 12864 0.96 OLED for my DIY 3D printer (see this other question). It's not listed in Marlin's LCD section of configuration.h and ...
3
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2answers
868 views

Homing the 3D printer

I have just built my first 3D printer, and I am having some problems. It is a Cartesian based 3D printer, using Marlin firmware and Pronterface software. My problem is homing the 3D printer. I do not ...
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1answer
2k views

Bed Heating Failed, Printer Halted, Please Reset

A couple of weeks ago I have successfully built a 3D Printer and Printed an XYZ Calibration Cube with ABS material at bed temperature 80 °C. Next Day I tried bed heating at bed temperature ...
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0answers
65 views

How to start building a 3D Printer right from scratch? [duplicate]

I am willing to build an 3D printer for my future personal/business projects.I want to build an printer to sculpt some basic prototypes. But I don't want to buy one since I don't have sufficient funds ...
2
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0answers
137 views

Bed leveling compensation not working! [closed]

I have a DIY 3D printer that uses a probe as z min limit and bilinear bed leveling. The problem is that bed leveling compensation sometimes doesn't work. This is in my starting scripts in Simplify3d: ...
2
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3answers
159 views

How does a 3D printer software/firmware work

I have been working on a printer project that basically is a 2D printer (dot matrix type). We are using solenoids as actuators to make impressions on the paper. We are now in the process of designing ...
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1answer
319 views

Calibration of Z axis in Simplify 3D

I'm using Simplify3d and a DIY 3D printer. The printer works fine and I've printed very nice objects with very smooth and beautiful surfaces BUT they are twice as tall as they should be! It is like ...
3
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0answers
415 views

Pronterface won't connect to Printrbot Simple metal with error message

I am using Ultimaker Cura to try and get my simple metal back up and running again. It is the strangest thing as this thing has printed decently for four years with just one calibration being the ...
1
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1answer
140 views

How to attach bowden tubing to other side of extruder?

I built a drybox to house the filament roll but now I have to figure out how to attach the PTFE bowden tubing to the other side of the extruder. Currently the filament just feeds in through the ...
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1answer
109 views

Trying to control temperature of hotend using PWM signal and MOSFET

I have a 40 W, 12 V resistance heater in the hotend. It also has a 100 kΩ thermistor built in. I am using an Arduino to read the temperature on the LCD. This is working fine. I want to use this ...
5
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1answer
305 views

How to make physical buttons send gcode?

I want to hook up an arduino to my creality printer running marlin firmware, such that I can have a few physical buttons mounted on the machine that will execute commands such as preheat, home, ...
1
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1answer
453 views

Correct wiring Arduino Uno and GT2560 to install bootloader

Can anyone help me with the correct wiring between an Arduino Uno and a GT2560 board to install the bootloader using the Arduinio as the ISP. I'm trying to follow this video https://www.youtube.com/...