All Questions

0
votes
1answer
11 views

OpenSCAD Mathematical Order of Operations

Recently I have been doing more complicated math in OpenSCAD and I have run into something that I find strange. Take a simple math expression: 2 / 2 / 2. By any ...
0
votes
1answer
18 views

How do I calibrate temperature control in a Repetier firmware?

I have built a 3D printer using RAMPS 1.4. I am trying to raise the hotend temperature over 180 °C. But I can hardly get to 100 °C in 60 minutes. I applied power directly to the ...
-1
votes
2answers
53 views

Is there proof that 3D printer made nanoparticles are dangerous? [on hold]

Facts: Breaking down (or melting) plastic creates nanoparticles.1 3D printers melt plastic.2 Therefore, 3D printers make nanoparticles.3 Nanoparticles are evil.[citation needed] Wait, What? 1. ...
4
votes
1answer
25 views

Stringing during travel on first layer with Ultimaker Cura

I'm using Ultimaker Cura 3.6.0 and I am getting some annoying "stringing" on the first layer. This isn't new to 3.6.0 as I have seen it on pretty much every version I have used. What appears to be ...
2
votes
0answers
14 views

Replicator 2x getting too hot with silent stepper drivers

I equipped my Makerbot Replicator 2x with silent stepper drivers TMC2100. According to the product page I reduced vref from 127 (factory default) to 25 in the printer settings as well as in my start-...
2
votes
1answer
54 views

Printer is Confused-Printing in Air Literally

So I got my 3D printer (Anet A8) a few years ago and put it together. I couldn't figure out how to use it. Then about a month ago I decided to try again now that I am older and got it to work. I know ...
5
votes
1answer
36 views

Avoiding stringing with flexible filament

I have some flexible PLA filament (https://www.amazon.com/dp/B00VKSSA4E/, presumably a mix of PLA with some platicizer) that's supposed to be easy to print with settings similar to regular PLA. I've ...
1
vote
2answers
46 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
votes
1answer
37 views

Why does the print speed change at specific height? (Using Ultimaker Cura slicer)

I'm trying to figure out why the print speed changes at one point in this model. I'm using Ultimaker Cura 3.6 and, as shown in the picture, I set the speed to be the same across the entire print. Is ...
2
votes
1answer
30 views

Can I schedule prints to start at a specified time?

I want to know if it is possible to schedule a 3D Print to start at a specified time so that I don't have to press start. My 3D Printer has an Arduino mega based RAMPS 1.4 control board & is ...
2
votes
2answers
60 views

Printer fails to print a cube

I'm trying to print a calibration cube from PLA using a 70 °C heated build platform on a Prusa i3 Pro W. This results in: Please explain why it prints like this.
3
votes
1answer
39 views

How to increase the amount of probing points for a BLTouch sensor in Marlin firmware?

I have a new BLTouch that is setup (using Marlin 1.8.7) but I want to increase the probing grid from a 3x3 to something like a 5x5. I am using bilinear leveling with a 3x3 grid. How would I go about ...
3
votes
1answer
34 views

How to fix bulging first layers of print?

The bottom 1-6 layers of my prints always bulge, like an enlarged elephant foot effect. I've tried all the fixes for elephants foot to no avail. I'm using: XYZPrinting DaVinci Jr 1.0 Pro with their ...
0
votes
1answer
33 views

OpenSCAD “not valid 2-manifold” useful information

OpenSCAD suggests that "object may not be a valid 2-manifold" but it looks perfectly fine in OpenSCAD and in Meshlab. Have looked through the file several times, and cannot find any point or line ...
1
vote
2answers
26 views

Auto bed leveling: systematic slope

I have a heavily modified DiscoEasy 200 from Dagoma, see picture: The heatbed is mounted on 4 springs, on top of the original plate. I made sure the X carriage was parallel to the table. I then tried ...
3
votes
1answer
44 views

How to remove firmware warning

I'm operating my Prusa i3 MK3 through Octoprint. Basically, this means I can start prints from remote. However, there's the firmware version warning which requires me to press the knob and confirm ...
2
votes
3answers
76 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 ...
2
votes
1answer
42 views

Error:Printer halted. kill() called!

When printing cube.gcode using Pronterface I get: Print started at: 23:07:31 After 8 seconds I get: ...
0
votes
0answers
22 views

Why aren't there many FabLabs in Canada and Australia? [on hold]

Every 1.5 years, the number of FabLabs doubles in the world, according to Neil Gershenfeld. https://www.fablabs.io/labs/map Why hasn't this movement spread in these countries? Would someone add the "...
1
vote
0answers
27 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 : ...
1
vote
2answers
44 views

Printing temperatures for ABS on a Flashforge Adventurer 3

I've recently acquired a Flashforge Adventurer 3 and am having difficulty printing with ABS. The initial layers seem to lay and stay pretty well, though after a few more moments, one side will peel up ...
2
votes
0answers
29 views

Spraying aluminium hydroxide nanoparticles onto PLA as fire retardant? [on hold]

Several scientific papers study FR-PLA (fire resistant PLA) in which Aluminium Hydroxide nanoparticles are melt blended into the PLA (example source: Advances in Flame Retardant Poly(Lactic Acid). ...
4
votes
1answer
84 views

Are there printers that don't have thermal runaway protection?

This question asks about the reasoning behind thermal runaway protection and how to turn it on. However, how do I know if my printer does not have protection in the first place? Either because it is ...
4
votes
2answers
817 views

What is Thermal Runaway Protection?

What is Thermal Runaway Protection (TRP) and why should I enable it? How does one do so in Marlin?
3
votes
2answers
46 views

Anet A8 Wrong Hotend Temp

My Anet A8 reads as 120ish degrees Celsius, but it is set to 200 degrees. I don't know if it is reading the wrong temperature because it still pushes out plastic when I force it. It will climb up and ...
5
votes
2answers
153 views

What does a stand alone “T” index value do?

I'm using IdeaMaker for slicing my print objects. IdeaMaker start strings have a >T0< standing alone on one line and then >T1< on the next line. What does this accomplish?
0
votes
2answers
61 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
votes
2answers
70 views

Prusa I3 mk3 - Not your average inconsistent first layer

Over the last two days I have tried everything I could come up with to fix the following issues. It all started with bad bed adhesion.(pic.1) Solutions for these problems are readily available, so I ...
1
vote
2answers
153 views

Anet A6 stock power wires.. the live, the zero and the ground. Which is which

As an electrician newbie I have a question.. Short question My power plug is attached to the wall outlet and three wires are at the end of it.. the blue, the brown and the green/yellow oen. How to ...
1
vote
1answer
37 views

Controlling a 3D printer with another Arduino device over serial

If this is a silly question I apologize but I am trying to establish a serial connection between a 3D printer (Ender 3) and an Arduino Nano over the USB port. I am able to connect the 3D printer to ...
1
vote
0answers
28 views

Inconsistent quality on different sides of the print - Ender 3

Fairly new Creality Ender 3. Seems like everything is leveled and snug, belts tightened. However, some of the sides are coming out stringy. See the image of this simple dome - you can see some of ...
6
votes
1answer
89 views

Ender 3 severe under-extrusion

I've been using my Ender 3 for about four months now and it's been working wonderfully. The print quality is amazing and all the prints are very strong. Then about three weeks ago, my entire system ...
1
vote
0answers
28 views

Slic3r - how to combine specific perl code with Slic3r SupportMaterial.pm? [on hold]

I've got a specific perl support tree script that I would like to integrate into Slic3r. Does anyone know how to do that?
2
votes
1answer
77 views

How neodymium magnet affect (if any) on extruder motor

I saw on a popular site simple indicators for attaching to the axle of an extruder motor (Prusa printers). Those gadgets are spinning due to movement of motor, both clockwise (pulling filament) or ...
2
votes
0answers
32 views

Extruder Motor Not working during Printing

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) ...
0
votes
0answers
24 views

Anet A6-L won't turn on again

I've just assembled my new Anet a6-L (with auto leveling). At first everything goes well, it turned on ready to setup but a couple hours later the printer just shutdown and won't turn on for about an ...
0
votes
2answers
131 views

Is it safe to use a 3D printed icing smoother?

I want to 3d print my own icing smoothers, but I'm not sure if its safe to have plastic from a 3D printer in contact with cake icing. Is there any harm in this?
2
votes
0answers
26 views

Small filament globules/bubbles in print using Ultimaker 3 extended

Lately, I've been having a problem with the surface of my prints. As shown in following picture: Printing material is PLA. I've changed the print core but even with a different print core it happens ...
5
votes
1answer
35 views

Slicer software capable of working with large filaments

I'm starting work on a very large 3d printer that uses very large filament. The idea is to house the entire thing in a shipping container and print things as large as cars. Filament will be some ...
3
votes
0answers
32 views

Ender 4 problem with printer stopping mid print [on hold]

I'm looking for suggestions to what might be causing my prints to stop mid print. I slice with Ultimaker Cura 3.6. Some prints work fine and others randomly stop at different heights for no apparent ...
3
votes
0answers
16 views

Replicator+ Motherboard Model

What is the Make/Model of a MakerBot Replicator+ motherboard? I'm assuming that the make is now MakerBot since they are now closed-source.
3
votes
1answer
56 views

Ultimaker Cura 3.6 choosing to fill in narrow walls with diagonal striping

I'm playing with printing some Lego-like bricks. I'm using brick models where the wall thicknesses are aligned to match an exact multiple of my printer nozzle (.4 mm nozzle = 1.2 mm brick ...
1
vote
1answer
19 views

Stepper does not move smoothly

I have a problem with the y movement of my machine. When i select y+1 in repetier, it moves, but with a very strange noise. I have a video to show the problem here I have: Set the voltage of the ...
1
vote
1answer
31 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
votes
1answer
38 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 ...
1
vote
2answers
30 views

Cause of slicing artifacts layers not connecting diagonal errors

Sometimes my meshes turn out with artifacts Which can be seen in the bottom image. What is the cause? The first image shows my mesh which its generated from. I've tried multiple slicers. This tends to ...
1
vote
0answers
40 views

My stepper motor has resistance, but does not respond to commands

I have a RAMPS 1.4 setup and I am trying to get things to move. I have a DRV2258 attached to it, and when I power on the 12 V power supply the stepper gets some resistance. However, when I try ...
4
votes
2answers
76 views

Using hardboard for 3D printer enclosure; what is the temperature rating of hardboard?

I am looking for the temperature rating for hardboard. I want to use that as the base for my printer enclosure. It has proven incredible hard get a ball-park figure from Google. So, what is the ...
2
votes
2answers
81 views

Ender3 printing tilted layers

I bought an Ender 3, and after assembling it following the description and some YouTube videos and after correct leveling, I printed the test dog gcode on the micro SD card that comes with the printer....
4
votes
1answer
61 views

Extruder retracts filament while moving from default start line to actual object location

I am new to 3D printing and recently got a second hand RF1000 and am busy calibrating it. For this I want to print a basic calibration cube. I noticed the print doesn't always start with enough ...

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