Unanswered Questions
830 questions with no upvoted or accepted answers
8
votes
1
answer
168
views
What options exist for augmenting the automatic bed-leveling?
When I print this file, one section smears. The print head is dragged through the soft filament.
At first I thought my aluminum bed was warped, so I upgraded to a glass bed. Test prints were much ...
- 749
7
votes
0
answers
194
views
Marlin 2.0 Firmware temperature jumping on LCD when trying to configure UBL
Flashed Marlin 2.0 on my Folgertech 2020 Prusa i3 variant.
Calibrating seems to have gone smoothly until I tried to set up UBL.
Saved the mesh into EEPROM with the ...
- 36.4k
6
votes
0
answers
1k
views
Horizontal defects when linear_advance enabled?
What could cause that?
When linear_advance (v1.5) is "off" (M900 K0) - everything is uniform and smooth, only corners are protruding as expected.
When it is "on"...
- 1
6
votes
0
answers
2k
views
Does matching whole Z-motor steps for layer height actually matter on Ender 3?
This question asks about computing the fundamental layer height unit for full Z-motor steps, on the basis of a theory that layer thickness can be inconsistent if the height is at different micro-...
5
votes
2
answers
367
views
ABS prints consistently splitting in the same place
I am printing ABS in an enclosure and most of the prints have worked out well with minor tweaking. However, the top layer always seems to split or skip a step (not sure which).
The cube is sliced in ...
CommunityBot
- 1
4
votes
0
answers
59
views
How do I stop the extruder from sticking to the back corner of the part?
I was gifted a Creality Ender-3 and thus have begun my first foray into 3D printing. Things went well for the setup and first prints; I printed some of the 3D files that came with the printer, then ...
- 151
4
votes
0
answers
150
views
CR10S Pro V2 Screen not working after replacing the hotend extruder
Recently my hotend extruder got stripped out so I bought a new one and went to replace it, after finishing, my screen wouldn't turn on and it is no longer connecting to my PC. The filament sensors ...
- 36.4k
4
votes
0
answers
963
views
How I can turn PET plastic into PETG?
With a friend, we managed to successfully make ABS filament and print with it (even though we sold a couple of spools) now we want to turn our attention to PET. The problem is that it's really hard to ...
- 1,674
4
votes
0
answers
1k
views
How to get dual Z, dual Y steppers and dual endstops working on Marlin?
I've been trying for days to get my BTT SKR2 board to work with both dual Y & Z-axis and independent end stops (2 per axis). The Y-axis does independent homing just fine no matter which way the ...
- 6,573
4
votes
1
answer
3k
views
Can't get rid of horizontal layer lines?
I have an Ender 3 V1 3D printer. When I first got the printer and assembled it, I was able to get very good prints. My post is specifically about horizontal layer lines, and initially with my printer, ...
CommunityBot
- 1
4
votes
0
answers
77
views
What does CRASH_RECOVER mean from Octoprint?
When watching the Raspberry PI daemon.log while running OctoPrint, I see contents like the following, which occasionally includes enqueing "CRASH_RECOVER" (but I do not see "...
- 141
4
votes
0
answers
2k
views
How can I correct *second and third layer* elephant foot?
I'm attempting to print this print-in-place bag clip (in the 80 and 100 sizes). Early prints came out well, except that my persistent elephant foot resulted in locking the hinge.
Oddly, a few days ...
- 1,730
4
votes
0
answers
273
views
BLTouch not probing all points and motors making really loud noises since rebuild of latest Marlin (new hot end installed and BLTouch)
Please listen to this video, which illustrates the issue, with the sound on.
Link to configuration.h and configuration_adv.h
...
- 1,674
4
votes
0
answers
2k
views
Inconsistent layer stacking
I'm throwing this out that as a long shot, as I'm not sure if anyone can help me, but maybe there's someone out there who had a similar issue and might have successfully dealt with this before.
I'm ...
- 6,573
4
votes
0
answers
164
views
What foundation designs are adequate for a 3D-printed one-floor building larger than 200 square meters?
With the increasing price of lumber and construction materials in the U.S., 3D-printed houses become a more viable way of building houses. Designing the foundations of mini-houses isn't difficult. ...
- 2,376
4
votes
0
answers
161
views
Why is this outer wall warping?
I am printing a battery compartment cover on my CR-X Pro. Upon removing the cover I see that some of the outer walls are warping. I have tried printing this same piece with and without bed heat, ...
- 6,573
4
votes
0
answers
534
views
Prints not sticking to centre of build plate, Phenom Peopoly
Recently prints aren't sticking to centre of bed - e.g if I print a grid of 25 identical models, the ones in centre will not attach to build plate. Models near edges stick to build plate fine, on all ...
- 141
4
votes
0
answers
429
views
Difference between Creality V2.1/V2.2 boards? Where to find datasheets?
I can't find an official datasheet for either board. Does anyone know where to find this information? Something that has max voltages, pinouts, etc.
Also, what's the difference between the V2.1 and ...
- 22.2k
3
votes
1
answer
52
views
Can I print and sell 3D models licensed under CC BY-SA?
Can I print and sell 3D models licensed under CC BY-SA? I am selling something that has a CC-BY-SA license.
- 332
3
votes
0
answers
39
views
How to change print speed along a perimeter?
I have a rounded square geometry which I want to use for strength tests, see image.
Instead of printing it at the same speed everywhere, I would like each side to have a different speed so it's ...
- 4,468
3
votes
0
answers
44
views
What is an A4988 "twinner"?
As alluded to in this comment, under the question, Using dual Y stepper drivers on Marlin / RAMPS 1.4, there is a concept of an A4988 "twinner":
I am rather building an A4988 "twinner&...
- 6,573
3
votes
1
answer
49
views
What scale of accuracy in measurement tools is required to verify a FFF item's specs based on the technology properties?
Measurements in machining often are done to an accuracy of "thou" which is thousands of an inch, or about 0.0254 mm. The measurement equipment for such is usually to an accuracy of tens or ...
CommunityBot
- 1
3
votes
0
answers
78
views
Is there an easy way to slice any file containing planar or non-planar patterns for a 5-axis printer?
I am reading into 5-axis printers as shown below in a modified Prusa i3 by Jenny List:
The process of printing non-planar patterns on a 5-axis printer is intriguing to watch, as shown below by Garth ...
- 1,185
3
votes
0
answers
85
views
Interlocking and joints for 3D printed structure, tips&types
I'm a student and I need to 3D print a structure for a research. I know nothing about mechanic parts, joints and interlocking so I hope someone could help.
The diameter of the whole structure is ...
- 22.2k
3
votes
0
answers
33
views
Why is the corner of my layer doing this?
Trying to get my printer leveled correctly so I can make some stuff. Started printing this square and the back left corner is not getting enough adhesion. The front left and back right corners are ...
- 63
3
votes
0
answers
78
views
What is this "rough" line going vertically up the side of a print called?
I've got this rough line going right up the center of some of my prints:
Can anyone be kind enough to tell me what this is called? How does one fix it?
- 6,573
3
votes
0
answers
33
views
Can I split a shell body using a cone as the splitting surface?
I'm trying to model a "mushroom-like" object. I created the stem and the top part and shelled them to a body with 5mm walls. I also need to split the top part into two parts which I will ...
- 6,573
3
votes
0
answers
222
views
How to send I2C commands from Creality 4.2.2 board with Marlin
I'm wondering if anyone has ever gotten the Ender 4.2.2 board to send I2C commands? I'm looking to add some extra features, and I2C seems the best way to do it. So far, I've reflashed Marlin with the <...
- 131
3
votes
0
answers
1k
views
The nozzle keeps clogging, midway through the print while printing with PETG filament
I've recently purchased Creality Ender 3 V2. When I print PLA, I face no issue at all but while printing PETG, the nozzle keeps clogging after the second or third layer. I even tried printing PETG by ...
- 1
3
votes
0
answers
54
views
Random Line on some 3D prints
I have been having an issue for a while now with my 3D Print that one of the layers will appear thicker than the rest.
The line artifact will be on different height level. Also not all models that I ...
