3D Printing Stack Exchange Community Digest

Top new questions this week:

What are these effects caused by? And can I get rid of them?

I am using a Cobra Max to print PLA. I am trying to print a computer / tablet case. There are some “defects” in it which look like the print head dragged something. I have used a …

print-quality pla

asked by tmighty Score of 1 answered by R.. GitHub STOP HELPING ICE Score of 1

Greatest hits from previous weeks:

First 3 mm prints poorly, then fine after that

I have an Ender 3 that I have been pretty happy with so far, however it recently started an odd behavior and I can’t figure out what’s causing it. What happens is that the first ~3 mm of the …

print-quality extrusion troubleshooting creality-ender-3

asked by Steve In CO Score of 17 answered by Steve In CO Score of 16

How Do I Speed up The BLTouch Auto Bed Leveling In TH3D's Unified Firmware?

I have just upgraded my board to TH3D’s EZBoard Lite with their Unified Firmware (U2.R1.15) and whilst dialling in all the setting I have found that using the BlTouch each time to be frustrating …

bed-leveling bltouch th3d

asked by Liam Score of 4 answered by 0scar Score of 1

Extruder is running backwards?

I have a (HIC) version of the Prusa i3. I have recently installed the E3D v6 hotend and titan extruder. After fixing some other issues, I noticed that there is no filament being extruded. In addition, …

prusa-i3 extruder e3d-v6 e3d-titan

asked by Chris Manning Score of 10 answered by Tom van der Zanden Score of 10

Which is more durable to sunlight/weather – PLA, ABS or PETG

The backstory: I’m installing a pigeon net in my home. Because of the shape of the opening I’m installing the net in and the material on the sides it’s difficult to anchor the net using the normal …

print-material material outdoors

asked by Nir Score of 21 answered by Nir Score of 23

Z Offset on autoleveling sensor setup

How does Z offset (M851) work with an auto leveling sensor? Does it add the Z offset to the offset of the G29 mesh? or the …

bed-leveling

asked by Petar Petrov Score of 7 answered by 0scar Score of 12

Is there a way to invert motor direction with G-code instead of Firmware in Marlin

Is there a way to change the direction a motor goes with G-code instead of reconfiguring Marlin firmware?

marlin firmware stepper

asked by jbiondo Score of 10 answered by Tom van der Zanden Score of 12

I am using a stereo 3D pen. What surface should I use?

Using a 3D pen I printed a small box. However, I was doing it on plain paper and of course the paper didn’t come off the plastic very well. It didn’t matter for that specific case, but if I want to …

build-surface

asked by Alvis Score of 3