Questions tagged [calibration]

Questions about calibration of various 3D printer mechanics

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2
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1answer
171 views

Klipper BED_SCREWS_ADJUST and SKEW_PROFILE interaction

Klipper lets you define a skew profile that is loaded / unloaded on demand during START_PRINT / END_PRINT macros called during printing of a sliced file. This seems to be the recommended way to apply ...
1
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2answers
198 views

PID tuning and different filament temperatures

Since I have lots of PETG, I ran tuning to 230 °C (average temp for my filaments). What is it good for, in terms of temperature ranges? For the same printer configuration, and just different filaments,...
2
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1answer
272 views

Z-offset: 0.2 mm, 0.1 mm or the thickness of paper?

So, I'm pretty new to 3D Printing, and to quote Spock from Wrath of Khan I would say "He is intelligent, but not experienced". Now everything I have been reading about Z-offset seems to talk ...
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0answers
36 views

How to systematically calibrate all the parameters of variable fan speed?

When a part is thin and the overall layer time decreases below a certain threshold, the plastic has no time to cool down enough to solidify and properly support the next layer, resulting in low print ...
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0answers
41 views

Ender 3 : problem on Z axis for the first layers ONLY

Got a tricky problem here : I print plate (76x70x3 mm) however there heights (Z-axis) are not correct every time... My extruder has been re-calibrated. My bed has been re-calibrated. So Firstly I re-...
3
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2answers
201 views

Is a slower outer perimeter speed still meaningful?

In the past we had printers with poor mechanics and with primitive software algorithms, therefore we used to print inner perimeters faster than the outermost one. See for example (generic, found ...
1
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1answer
53 views

What’s the best way of leveling the bed?

Recently I’ve been having trouble leveling my bed on my Creality Ender 3 Pro. It’s not that it’s hard to level or anything, it’s that it won’t stay level for more than a day or two. I’ve been ...
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1answer
45 views

Printing problem on right half of printer

I am having an issue with prints set on the right side of my printer bed. I have leveled the bed, have a BLTouch and used a bed visualizer just to try and get it manually as level as possible. You can ...
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0answers
52 views

Help coding the MIN_POS and x/y probe offsets

I've read a lot of posts in regard to these subjects but I think that the advice is just so saturated it's hard to know what to follow. I've had trouble with my bed min pos and x/y probe offsets ever ...
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0answers
62 views

How can I improve dimensional accuracy of a delta printer?

I have a delta printer that I am trying to fine tune. I have printed a 20mm calibration cube and I get the following measurements: X: 20.5 Y: 20.3 Z: 20.0 How can ...
1
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1answer
322 views

Incorrect inner dimensions of 3D prints with Ender 3

I have problem with my Ender 3. Whenever I print, I have proper outer dimensions (accuracy usually better than 0.1 mm, sometimes a bit worse), but every hole, pit or any inside dimension is inaccurate ...
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0answers
30 views

What specifics do models need to have to estimate the maximum acceleration my printer can withstand?

Previous questions on the topic of setting acceleration are: How to theoretically calculate the maximum acceleration? (theoretical calculation) How do I determine the acceleration value for my printer?...
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1answer
176 views

What is the purpose of partial (<100%) backlash correction?

Marlin has an option to fade out the amount of backlash correction, given as BACKLASH_CORRECTION. It is also available in GCode as ...
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0answers
39 views

Adjusting extruder

Since I have some problems with printing I wanted to try to adjust my extruder esteps. While changing the esteps I noticed that the value has almost no impact. My default setting was 93 and the ...
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0answers
30 views

Print wrap up and bends

I have the Bibo 2 3d printer that has two print heads which is nice, but I couldn't never get it to print good. I did level the plate, I did buy new filament (I am using Amazon PLA), but I couldn't ...
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1answer
38 views

Compressed corner in my prints

I'm getting issues with any print in the specific corner throughout different and unrelated prints. The specific corner comes out compressed. I have tried to take pictures to illustrate the issue: ...
1
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1answer
1k views

What can cause Z height loss in the first few layers?

All my prints come out about 1 mm too short in the Z dimension. So for example a 20 mm cube comes out 19 mm high. A 10 mm cube comes out 9 mm high. The X and Y dimensions are fine. There's a little ...
3
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2answers
2k views

Expansion in bottom skin after first layer

I'm having an issue where prints with narrow tolerance come out fused. This makes it pretty much impossible to print anything with narrow parts. It seems to be mostly (maybe only) an issue in the ...
0
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1answer
697 views

Calculating gear ratio for leadscrew

My calibration at my printer is okay. When I try to move 10 mm, it's exactly 10 mm. But I want to know what is my precision for Z-axis. (not posting the link of the product maybe it's not ...
1
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3answers
388 views

Still got poor printing quality after calibrating my Anycubic Predator

I've got an Anycubic Predator (aka Anycubic D). I followed the official instructions and leveled my printer. The first annoying problem I ran into is that after the auto-leveling, the level test ...
2
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1answer
164 views

Low Accuracy while perfect travel movement

I own an older Anet A6. Flashed the Marlin Firmware on it (and think I configured it properly). Also updated to the latest 2.0.5.3 some days ago). The nozzle is a 0.4 mm one, direct drive ...
2
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1answer
437 views

Temp Tower Setup Troubles — Slic3r (How do you format G-Code {if} statements?)

I watched with great interest this video: Temp Tower - Slic3r Gcode Placeholders - How To - Chris's Basement -- Jan 23, 2019 Chris Riley I found a model I'm happy with: Smart compact temperature ...
2
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2answers
2k views

Ender 3 home location

I have an Ender 3 and I have a problem with auto home. I use auto home and then level the bed with the wheels beneath the bed. I then start a print and the first layer is well above the bed. Perhaps ...
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0answers
627 views

PID Autotune not working properly

I'm running the autotune PID because I had to replace the hotend. The command that I launch is M303 E0 S200 C9. But from the temperature chart I see that he has ...
1
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1answer
66 views

2x scaling of Monoprice Mini Select v2 Firmware v30.50b after factory reset?

About a year ago, a bad print encased my hotend in PLA and I broke the wires due to my impatience trying to get the glob of PLA off. I don't remember the details of the disaster print, but generally ...
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0answers
96 views

Ender 3Pro Calibration problem

I have a new Ender 3 Pro. I set it up and everything seems to work. I configured as such that the nozzle is only a sheet of paper apart from the bed. When I go to print, the extruder raises 2-3 ...
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2answers
2k views

Linear advance calibration technique

Marlin has a Linear Advance calibration pattern generator, but I find it's hard to use because: It only prints the initial layer on the bed, where bed irregularities interfere with accurate reading ...
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0answers
776 views

Anycubic i3 Mega layer shifting

My Anycubic I3 Mega shifts every layer by a little distance making straight model lean to it's side by an angle. For example, this white round blob should've been a straight up cylindrical shape, but ...
4
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1answer
3k views

Why am I getting Z banding/shifted layer on a single layer?

While I was calibrating my flow rate/extrusion multiplier, I noticed that one layer is shifted slightly. I wanted to re-print the cube in-case it was a fluke, but after two more prints, I saw that the ...
5
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0answers
74 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 ...
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0answers
15 views

How far off-plane of a 4th-corner probe should be cause for concern during bed leveling?

On my TAZ Pro, after modifying and reinstalling my build surface, I have the following verbose output from running self-calibration: ...
4
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1answer
80 views

Makerbot Replicator 2X - restarts after heating

Really need some help. Let me run you through as much as possible. I have a Replicator 2x. I've owned this for around 2 weeks now (used). after some teething issues I've been printing really well all ...
1
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1answer
223 views

Why and how am I supposed to change the extrusion multiplier? [duplicate]

The slicing software knows exactly (given accurate E-step, filament diameter, nozzle diameter values) how much cold plastic is pushed in the extruder and how much mass is extruded. Why should the ...
2
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2answers
2k views

What causes these blobby corners

Contrary to a lot of other corner related problems (where the corners are bulging), I seem to have a different problem where the corners (ONLY) seem to stick out and appear blobby in the x/y plane. ...
3
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3answers
10k views

Calibrated Esteps Causes Extruder Skipping

I have replaced the stock extruder on my Ender 3 with one of these: The grip gear has a smaller diameter, so I calibrated the esteps as per the top google search: Extruder Calibration – 6 Easy Steps ...
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0answers
33 views

first layer unstable

I have been using my MK3 for about a year with no problems, but a couple of weeks ago I started to have the following issue: the printing head loses its first layer height calibration, apparently for ...
2
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0answers
875 views

Inconsistent Auto Bed Leveling - Having To Calculate Z Offset For EVERY Print

I am having a problem with my Flying Bear P902 3D printer where I have to calculate the Z offset for every single print. I calculate it using this method (and store it in EEPROM) : Link to ...
3
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3answers
250 views

How to solve spillage problem?

I've done calibration test with "Concentric circle test" (https://www.thingiverse.com/thing:11895) and at specific points there are little bumped points on the print. Also Thingiverse page of the test ...
2
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2answers
2k views

What do I need to do to recalibrate my printer after updating the firmware?

I just updated my Maker Select Plus from the stock (I believe RepRap-based) firmware to Advi3pp, which is Marlin based. The printer starts up and everything seems okay, but I haven't actually tried a ...
3
votes
2answers
12k views

Ender 3 X axis not level

I've been aware ever since I got it that my Ender 3's X-axis isn't level. Measuring from the top of it to the top of the frame, the right-hand (positive) side is about 4.7mm higher than the left. ...
5
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1answer
19k views

Specifying Z offset in Marlin firmware

I need to set a Z offset for the Flying bear P902. I calculated the offset (-2.98). But, every time when I try to input this using the LCD screen of my 3D printer, the value jumps to either -2.99 or -...
2
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3answers
173 views

Progressively worse relative size error at smaller absolute sizes

I'm having a problem where the relative dimensional error of cylinders is rapidly increasing as the absolute size decreases. Printing a calibration stack of cylinders of diameters 8, 7, 6, 5, 4, and 3 ...
0
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1answer
330 views

Prusa i3 MK3S Z axis moving down in calibration wizard

During recalibration of my printer (due to the nozzle catching on the prints), the Z-axis went down where it used to go up, damaging the heatbed steel sheet in the process. It then failed calibration. ...
3
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1answer
3k views

Extrusion test cube resulted in one wall being thicker

I calibrated my extruder according to the mattshub tutorial and printed the extruder calibration test cube with 2 perimeters of 0.4 mm. So the walls should all be 0.8mm thick but only 3 are close to 0....
2
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0answers
70 views

Extruder calibrated, but prints still oversized by .1 mm or so

I've got a pretty straightforward problem. In general my printer is very accurate for the XYZ movements. What I'm running into is no matter what size my print is, the XY dimensions will be thicker by ...
4
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3answers
2k views

The BLTouch is hitting the bed on the double-probing

When double-probing, sometimes the BLTouch will hit the bed before the z-axis goes down: The BLTouch deploys The bed goes up The sensor triggers The BLTouch stows The BLTouch deploys and crashes the ...
3
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1answer
438 views

Delta Printer: After Calibration X and Y Axis are slightly different

I noticed that my x axis is slightly longer than my y axis (~0.6%) if I print an object. What parameter in Marlin can be tuned to correct such issues? The rod length parameter seems to rather ...
5
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1answer
56 views

What calibration options should I look into given these defects

I printed a temperature calibration cuboid for Hatchbox 1.75 mm PLA, in 1 °C increments from 180 °C to 190 °C. I have two questions related to this image: I'm not ...
3
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1answer
78 views

What exactly does calibrating a 3D printer do?

I’m building a 3D printer and need to understand what calibration and bed leveling is, and I was surprised to see there isn’t a clear explanation on the internet anywhere. Does bed leveling compensate ...
3
votes
1answer
66 views

Printrbot Simple + OctoPrint on PC not working

I am running the newest version of OctoPrint server on my Windows 10 PC, and accessing it with Mozilla Firefox on the same PC. I also installed Cura 15.04 and selected the Printrbot Simple profile, ...