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Questions tagged [bed-leveling]

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Use this tag for questions regarding the manual or automatic leveling of the build platform.

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13 views

Different Probe Z offset for G28 and G29

After trying to solve this for the whole weekend I've run out of ideas. I've fitted an BLTouch to my Ender-3 with an SKR mini e3 V2.0 board, firmware is Marlin 2.0. My issue is the following: when ...
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0answers
14 views

What are pros and cons of piezo Vs strain gauges bed leveling sensors?

I'm designing a dual hotend carriage for a HEVO printer which will run in an enclosed heated chamber and I'm evaluating which bed leveling sensor I should use. I read that bltouch and similar sensors ...
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0answers
27 views

Monoprice MP10 Mini, can't get a decent print

Update: if i press the button "Home" it will correctly posizionate the nozzle above the printing bed, with a gap wide enough to insert a sheet of paper between the nozzle and the surface. But, and ...
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0answers
13 views

Bilinear Mesh ABL Over Compensation

I recently added an SKR mini e3 1.2 flashed with Marlin and a BLTouch to my Ender 3. I've run through the setup and have G29 creating the mesh before my prints correctly. If I generate a mesh like: <...
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1answer
42 views

First layer rippling and no filament in the certain areas

Hello I'm new to 3D printing and I noticed some problem with my print. I've print it 3 times and relevel the bed now, I found that the right lower corner always have holes, some string problem ...
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33 views

Creality Ender 3 EZABL bed levelling not working

I've been pulling my hair out for the last couple of weeks with trying to get a decent print out of my Ender 3. I recently bought this auto bed levelling kit and these solid bed mounts for my Ender 3....
2
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1answer
39 views

Diagnosing why the left side of a print detaches from the board

I have and Ender 3 Pro, which I'm enjoying except for an intractable problem. No matter how carefully I level the nozzle and tighten the X belt, using this great guide, the prints seem to be tilting ...
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10 views

Anet A8 with auto bed leveling won't zero Z axis

Just upgraded my Anet A8 with Marlin 2.0.5 to get auto bed leveling. The Marlin upgrade was painless, but I can't get my auto bed leveling to zero the Z axis. I go through the Z offset setup and zero ...
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0answers
37 views

Consistent blobbing and gaps in print towards right side

Issue: I'm having a problem with some blobbing and gaps consistently in the same areas. The left edge is always good, the right edge is very bad (especially around the corner) and the front and back ...
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1answer
71 views

G29 Bed Level not doing anything on Marlin 2.0

I've just updated my Anet A8 with the blue bed level sensor to Marlin 2.0 . Both pressing the Level Bed button on the display or using G29 after ...
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1answer
25 views

Bad print quality on Creality Ender 3

About 1.5 months ago I changed the springs of my printing bed and since then I have had the same problem again and again. Strangely enough, it only happens sometimes. I have already realigned the ...
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25 views

Printer places prints off the bed after change in bed Z-probe area settings [duplicate]

I really don't know what I am doing wrong. Since changing my bed level sensor from left of the extruder to back mount, it doesn't work proper anymore and I have some fundamental thing I don´t ...
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0answers
123 views

BLTouch error Marlin 2.x (on SKR 1.3)

I have some issue with my BLTouch (I'm new to bed levelling) : I compiled Marlin 2.x (for my SKR 1.3) for a Antclabs BLTouch, and everytime I power on the printer, it shows this error message: ...
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1answer
77 views

Marlin bed autoleveling confusion

I've just added a Z-Probe sensor to my custom printer (Arduino - RAMPS 1.4 - Marlin 2 ...
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1answer
255 views

Switch nozzle contact probe auto leveling with Marlin 2.0

I have a Robo R1+ which uses the nozzle contacting the glass print bed to level the printer. When the print head strikes the bed the Z-min endstops open signaling that the bed is touched. I recently ...
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4answers
168 views

Options for getting a really flat build surface

I've been fighting on and off with issues with my build plate seemingly not being perfectly flat. I've ordered a machined straight-edge and some new feeler gauges to diagnose the problem (and test any ...
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1answer
1k views

Where to define grid for bilinear levelling in Marlin

I'm using firmware Marlin 2.0.3 on an Anet A8 printer. I'm using a Roko SN04-N NPN bed leveller. I've managed to set up 3 points bed levelling but I wanted to try the bilinear levelling. Issue is, ...
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48 views

Z level babystepping works inconsistently after BLTouch was installed

After I installed the BLTouch sensor, the manual adjustment of the Z offset is unreliable. I found that for it to work, the software endstops must be disabled. If they are enabled, the nozzle won't ...
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2answers
65 views

Can you fix a warped, removeable build surface backing?

I have an Ender 3 with a removeable build surface. The build surface backing has become warped - the center is at least 0.3 mm higher than the corners. I'm not sure what the material of this plate is -...
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4answers
493 views

Thread pitch of Ender 3 bed leveling screws

What is the thread pitch of the Ender 3's bed leveling screws? The diameter measures about 4mm. Are they M4 0.7 (coarse) pitch or 0.5 (fine) pitch? I'd like to develop rigorous formulas for the amount ...
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0answers
72 views

Anet A6, Marlin 1.1.x, bed leveling with sensor probe

I have an Anet A6, an SN04 sensor for the Z-axis, and Marlin 1.1.x software that has automatic bed leveling enabled. My question is (looking at the image below): "It seems my bed leveling is not ...
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2answers
607 views

AnyCubic D (aka Predator) - Z-zeroing and first layer issues

Long story short, my wife and I are now the proud owners of an AnyCubic D, also known as the Predator. This is not our first 3D printer, but it is our first "delta" design, with the circular build ...
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0answers
2k views

How Do I Speed up The BlTouch Auto Bed Leveling In TH3D's Unified Firmware (U2.R1.15)?

I have just upgraded my board to TH3D's EZBoard Lite with their Unified Firmware and whilst dialling in all the setting I have found that using the BlTouch each time to be frustrating because of the ...
2
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1answer
611 views

Ender 3 with BLTouch prints slanted lines

I'm having a problem getting a clean first layer on an Ender 3 with BLTouch auto bed leveling. Thickness seems to fluctuate all over the bed, but in a consistent (repeatable) way. Here's my attempt to ...
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1answer
2k views

What is the difference between M420 S and M420 S1?

I have been reading through the Marlin website about ABL (Auto Bed Leveling) and I see what appears to be conflicting information. At https://marlinfw.org/docs/features/auto_bed_leveling.html it ...
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2answers
110 views

Anet A8 Z-Probe Bed Positioning going outside of bounds

I have an Anet A8 with the Anet 1.7 board, Skynet3d v2.3.2, and the stock sensor. I originally had this configuration with the stock extruder, but recently purchased an E3D v6 clone with a Bowden ...
3
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1answer
346 views

Setting up UBL for the first time on Marlin 2.x on a Prusa i3, how often should I level the bed using G29?

I used to use the Marlin 1.x software that would level the bed by probing the 4 corners of my print bed (a long time ago, it's been at least 2 years since I used my printer, wasn't able to set it up ...
4
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1answer
2k views

Klipper doesn't seem to adjust Z after BED_MESH_CALIBRATE

My rig: Ender 3 BLTouch Octopi Klipper Solid bed mounts I've updated my start G-code from Cura to include a G29 right after G28...
4
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0answers
34 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
19 views

Adding bed levelling info

I just added a BLTouch to my Creality 10S5. I would like to know if there is an option to add Leveling info to the BLTouch sub menu that will display the resulting z-offset at each probed point. I'm ...
4
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2answers
506 views

G28 ignoring Z-Probe X/Y Offsets

I recently installed a SKR 1.3 Board with a 3DTouch-Probe on my Creality Ender 3 Pro. The probe works, G29 does its magic, but: If i issue a plain ...
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2answers
785 views

BLTouch calibrated, nozzle still dives into the bed

I am having a few problems with my BLTouch. I have calibrated it several times using different methods and get the nozzle being 1.3 mm lower than the BLTouch pin so a Z offset of -1.3 mm. ...
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1answer
78 views

Setting the startpoint of the EZABL 3x3 mesh

How do I set the startpoint of the EZABL 3x3 mesh. The startpoint is hitting my bed clip.
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1answer
40 views

Printer doesn't lift Z between each probe

I don't remember making a change to marlin but today when I tried to probe my bed my Z probe homed and slowly went downwards until the probe detected the first point. then without lifting it it just ...
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3answers
3k views

Ender 3 BLTouch first layer problems

I recently installed an original BLTouch V3 on my Ender 3 pro and ever since I can’t seem to get a decent print. My first layers are horrible. The install wasn’t so bad, I really thought it would be ...
2
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0answers
314 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 ...
2
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1answer
438 views

Is having 4 bed leveling adjustment points rather than 3 problematic?

My Ender 3, and I think lots of printers, have 4 bed leveling adjusstments, one at each corner. It seems to me that having 4 points produces an over-determined system, making it confusing to get the ...
4
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4answers
979 views

Auto physical bed leveling?

I've never used a printer with auto bed leveling, but my understanding is that most or all of them don't actually level anything, but rather compensate for the unlevel bed in firmware by transforming ...
4
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2answers
3k views

BL Touch Probing Fails Intermittently

I just installed my (v3) BL Touch with a vanilla version of Marlin (1.1.9) on my Ender 3 and everything seems to work fine (including auto home) except the probing. It repeatedly does the first three ...
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1answer
221 views

How to connect BLTouch sensor to Alunar M508 using LSEE 3D v1.0 board?

In the process of updating my printer (Alunar M508), I decided to add "Auto Bed Leveling" using a BLTouch sensor. After doing a lot of Googling: I found firmware that will upload and work with ...
1
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0answers
509 views

Marlin Bed-Leveling Vs Skew Correction

I've added a G29 command in my starting script to do bed leveling process before every print. It works fine and compensates my bed during prints. But when I print larger models, they're all skewed in ...
4
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1answer
7k views

Why is the center of my glass print bed lower than the corners?

I have a new Creality Ender 3. I suspect that I have not adjusted the eccentric nuts correctly, on the X-axis head carriage mounts. Even after a glass bed upgrade, using the Level Corners routine ...
2
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1answer
441 views

BL-Touch bed leveling seems to produce tilted bed level around Y-axis

I have a Tevo Tornado that I've outfitted with an official BL-Touch auto level sensor. I can see the bed probing run, and I can see the Z axis slowly adjust during x/y moves, so it's doing something. ...
3
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2answers
1k views

How to connect optocoupler module to ABL sensor and Ender 3 board

I am trying to figure out how to wire up Auto Bed Leveling (ABL) on my Ender 3 using the optocoupler and inductive proximity sensor below. I cannot figure out how to wire it all together, all the ...
5
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1answer
9k 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
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2answers
75 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 ...
2
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1answer
55 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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0answers
71 views

PL-08N inductive sensor not turning off

I have one of these inductive sensors marked as PL-08N which should work within a 4-30 VDC range and trigger at 8 mm or ...
4
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1answer
641 views

Ender 3 Distorted Calibration Cube

Issue: My Ender 3 is creating distorted prints with layer separation and deformations. Example Here Can anyone point me in the right direction? Setup: Ender 3 TH3D EZABL Auto Bed Leveling 1.75&...
3
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1answer
271 views

Hooking up an optocoupler in a 24V Machine, is a 2 kOhm resistor sufficient?

I am going to buy an inductive probe for my Creality Ender 3 to enable ABL (Automatic Bed Leveling). And now, I have one last question left on my mind: I am going to buy a Vishay Optokoppler ...

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