3d printer calibration cube guide

3d printer calibration cube guide. The print temperature is one of the most important settings in Cura. Plug the SD card into your Ender 3 V2. The larger sizes should help you achieve better accuracy, I got to less than . Bambu Cube 30x30mm Jun 14, 2023 · This article will provide you with a step-by-step guide on performing pre-leveling checks and how to level and calibrate Anycubic Kobra 2. Check out the best calibration cubes for the job, with tips on how to use them! Advertisement. Details. The values I use for the feed rate: M203 X200. To save this setting, send the command ‘M500’. These are the best 3D print tolerance tests out there that you can print: Maker’s Muse Clearance and Tolerance 3D Printer Gauge V2. Tools You Need: Wrench*1. Use a slicer to prepare your model. The BLV mgn Cube was born as part of a project by Ben Levi to assemble a printer of this format with a rigid structure with the front open to have easy access to the printing area, which was simple to build on the other hand and completely open source to allow it to adapt to our needs and that had a contained cost. This is the Ultimate beginner's guide to the Ender 3! welcome to the channel! this video will show you how to read your calibration cube, to diagnose problem Jun 23, 2023 · Whether you have an Ender 3, V2, or Pro, you need to calibrate it properly to get the best print quality. 3D-Benchy helps you identify overhangs or under- or over-extrusion and determine the exact settings you need to make to produce perfect prints in the future. Let's see if all the motors and endstops are working. But first, you need the current printer’s settings which can be retrieved by sending command M503 to your 3D printer. These are mainly designed to show any misalignment of the X, Y, and Z axis. 3. 9 MK3. Every FFF (Fused Filament Fabrication) printer requires a First Layer Calibration, which sets the vertical "Z" distance between the nozzle and the print surface. - Jan 17, 2024 · Rest assured, the problems and solutions to every 3D printing issue you could experience are explained in this tips & fixes-packed guide to 3D printing. Rather than jus Feb 20, 2024 · Hollow Calibration Cube. Updated Dec 26, 2023. Plug in your USB adapter with the micro-SD card (included with your Ender 3 V2) to your PC. The calibration cube has three axes: X, Y, and Z and the idea is that they should all measure 20mm when you print the cube. (A) Overview of the steps to optimize the cylinder (CAD model) that is imported in to the slicing software to determine the path of the extruder (slicer toolpath). Apr 18, 2021 · 3D Printer Test Models: The Best 3D Printer Calibration Cubes. Here’s a simple breakdown: 1. The shape and size of this 3D model is designed to challenge 3D printers. This is a 40° from horizontal overhang, so Aug 30, 2023 · By following the 3D calibration techniques in the proper order, starting with leveling the print bed, setting probe Z offset, calibrating the extruder, printing an XYZ calibration cube, performing the overhang test, retraction test, and flow cube test, you can fine-tune your printer's settings for optimal performance. Line Width: 1. Oct 22, 2022 · How to Calibrate Ender 3 XYZ Steps – Calibration Cube. Sep 16, 2022. Bed Mesh with Relative Reference Index. Calibration Cube. Mar 20, 2023 · Hollow cube testing is a calibration technique used to validate the extrusion rate precision of 3D printers. 4mm. . Activate Pronterface. Start now! Print settings > Infill > Fill density: 0%. Download the Retraction Calibration Tower I prepared, open it in IdeaMaker then slice it with your machine profile. 46. Dual Extruder Calibration Test. Temperature Towers. The Anycubic RERF rests on every Anycubic resin 3D Jun 2, 2023 · Finally, I have another example with the good-old calibration cube. Calibrating The Best 3D Printer Calibration Cubes in 2024. Reload to refresh your session. By doing the extruder calibration, your printer will accurately. In order to test PLA, we normally use 205 degrees or the usual printing temperature +-5 degrees. Using this command, you would receive some output and part of which would tell you the steps per unit. Oct 24, 2020 · We have broken up our episode on Calibration into 3 seperate shorter episode. So, keep the note of it. 4mm rather than 2mm. – Temperature. If the walls are thinner than 0. by Gloria E. Jan 23, 2023 · Once we have everything we need we can start the calibration process for the extruder with Marlin firmware. Files. A well-calibrated 3D printer always gives better results. Orca Slicer is a new slicer that is gaining a lot of popularity. The four bits that I look for first are ones that you don’t need any measuring for, though there are certainly enough opportunities on a 3DBenchy to use it as a full calibration cube replacement, and we’ll get to those in a bit. A 10-20% infill shall suffice. This will allow the cube to spin when placed on the Bambu dish. 5mm instead of 20mm. I'd like to try adjusting the steps/mm but don't know if that would be overkill. 1919 "calibration cube" 3D Models. Mark down your findings! Step 4: Calculate the New Z Steps/mm. Print settings > Layers and perimeters > Horizontal layers > Top: 0. Nov 22, 2019 · Setting the feed rate and acceleration settings properly is another important step in the Sidewinder X1 calibration process. Ren0oren October 28, 2023, 6:11pm 5. s = current number of steps per mm. However, achieving the best possible print quality requires precise calibration of your printer settings. If your printer uses Marlin Firmware, click “Prepare > Extrude > Move 10mm. Step 2: Calibrate the Stepper Motors. Complete guide: 3D Printing Infill Guide 👉 Basics, Patterns and Stability. This cube also give you a good Hollow cube for flow rate calibration. Since you have at least one corner lifted, please level your bed. Redo steps 4 through 9 to confirm that the new e-step value is perfect. This lets you have a lot of control over the 3D printer. Aug 30, 2023 · By following the 3D calibration techniques in the proper order, starting with leveling the print bed, setting probe Z offset, calibrating the extruder, printing an XYZ calibration cube, performing the overhang test, retraction test, and flow cube test, you can fine-tune your printer's settings for optimal performance. After Anycubic’s SLA 3D printers come equipped with a pre-embedded resin exposure calibration file christened RERF or Resin Exposure Range Detector. Using these small cubes to calibrate your printer will save you on plastics, time, Jun 25, 2022 · To start calibrating your extruder, you need to inform your 3D printer of the new value. First, import a test cube file into your slicing software and modify your slicer settings accordingly. Nov 8, 2022 · The Bow, the Surface, the Backlash, the Corners. 01 mm difference on my printer (around +/- . It has received a major update to bring it up to V2 which is explained in this video: 3D printer calibration site V2 - Still free and better than ever! It aims to make calibrating your 3D printer as easy as possible. Download your beloved XYZ Calibration Cube. 48mm Line Width) Jan 12, 2024 · For use with marlin-based cartesian (XYZ) printers to calibrate the stepper motor movement of X, Y,Z, and Extruder Tools you will need. Tolerance Test. 📐 By using it to fine-tune your printer’s settings, Ultimate Guide to TPU 3D Printing. Sometimes this value needs a slight Calibration > Basic calibration. SLA 3D printers usually have better dimensional accuracy than FDM printers. A fun project to design an XYZ calibration cube with a Bambu Lab theme. If this value is set too high, the lines will be wider than they should be and narrower if it is too low. You'll also find other useful tips and resources for your Ender 3 on the site. Before we dive into the calibration techniques Jun 12, 2020 · Often the best way to calibrate your printer is to use calibration cubes. Use #3DBenchy to test and calibrate your 3D printer by adjusting hardware and software settings for optimal results. To calibrate the extruder, you need to input the new value. Measure the diameter of your filament from different places using a digital caliper and then enter the resultant average value in the “Filament Diameter” tab. 00. User print files. Perform any necessary post-processing. Mar 30, 2022 · 1. The base of the cube now fits 608 bearings. With a 0. Embosses are now 1. Extrude 100mm of filament through the printer. 4mm nozzle and a flow rate of 1 or 100%, the thickness of a single wall should be 0. Curve Overhang Test. This Jul 1, 2021 · Extruder Calibration Guide (with calculator) – E Step Calibration. Apr 14, 2020 · 1. Apr 13, 2023 · In order to test the calibration properly, you really need to print something rather than just measure the length of the extruded filament. The model is set to start with a retraction value of 0. Prepare the printer. Remixes. 3D-Benchy is probably the best-known calibration design that allows you to test your printer all around. Layer > Top solid layers: 0. Magarotto. 10W Creality Laser Falcon Engraver. Download the “voron_design_cube_v7. I printed my first calibration cube and it's 22. Octagon Multi-Purpose 3D Printer Test. I have seen multiple people using it as a test piece and that’s fine, but the size of the cube is too small to get correct results from a fast 3D printer. In the image below, you can see the flow change across the walls of the cube. Using your calipers, measure a 120mm filament segment from where it enters the extruder and mark the point using the sharpie. Stable: Cube, Cube Subdivision, Octet, Gyroid. It might be useful to refer to the visual troubleshooting guides to see if any of Feb 20, 2024 · Step 10: Save the New E-Step. Step 1: Download our test file and import it in your slicer. In conclusion, the 3D printer calibration cube is an essential tool for achieving high-quality prints. Table of contents. Sta 3D Printer Calibration. If you choose the wrong temperature here, various printing errors such as stringing, over- or under-extrusion can occur. The larger size will help you measure a larger difference between expected and actual dimensions. 10. 4mm Nozzle = 0. Jun 2, 2023 · Get the most out of your 3D printer with these calibration tests which are designed to reveal small adjustments you can make to get your 3D prints to really shine. Download the four . One of the better resources for troubleshooting print problems is found at Simplify3D or one at All3DP. My favorite of these calibration objects is definitely the Validation Matrix v2. Learn how to do it in five simple steps with this guide from All3DP, the leading online magazine for 3D printing. 57 KB Download Instructions for Calculator Use First, level your bed. One easy and effective method to test the flow rate is printing a test cube and measuring its wall thickness with calipers. The default values that come from the factory are a bit too much, and I lowered them a bit. In my case, i used COM4 and 250000. Whether you're looking for guides on calibration, advice on modding, or simply want to share your latest 3D prints on the Ender 3, this subreddit is your go-to hub for support and inspiration. Let's dive in! Here is a list of the most popular calibration objects for resin 3D printers: Validation Matrix v2. Nov 15, 2022 · BLV mgn Cube A community-initiated project. I'd like to share my results with you guys and perhaps you can help me get a better understanding in judging good from bad print. Time for a smidge of math! Using the formula: (Actual Dimension ÷ Measured Dimension) x Old Z Steps/mm, you can determine the optimal Z-steps/mm for your 3D printer. Compare your #3DBenchy results with the dimensions illustrated below. They are used most of the time to create some fast test parts and common calibration/test parts. Printer Tolerance Test. Send the command ‘ M92 E [D] ’ to the printer. This same calculation is used regardless of the axis. Connect printer to Pronterface. It is easy to use and would be a great pick for a school Jan 19, 2023 · Jan 19, 2023. 4. 20mm Calibration ^3 (cube) 1 file(s) 154. | Download free 3D printable STL models. In terms of the Z axis, you can get resolutions all the way down to 10 microns. If a rotation is 100 steps, the motor will move 50 steps for half the rotation. The resulting product (initial 3D print) is assessed (score with rubric) and the fittest run is used as lead in the First Print. The cube id 20mm3 and you can use it to calibrate the steps per mm for your different axes. Nov 28, 2023 · Orca Slicer: Calibration – Simply Explained. The command will inform the printer of the new value, but it will not save it. Tolerance Test Allen Key. Digital Caliper: https://geni. You should use the command M500 to save the new number on the printer. In order to 3D print a model on an FDM printer follow the steps below: Create or download a model to print. gcode files directly onto your SD card. A caliper. Calibrate your extrusion multiplier / flow rate. If it doesn’t have the correct measurement, adjust the Z-steps until the measurement is correct. This cube. Open Pronterface, and choose the correct COM port and Baud Rate. If you can figure out the relationship between the steps and distance, you’ll Dec 25, 2023 · Preheat the nozzle to the normal printing temperature. For the test, a hollow cube is printed, and the measurements are measured to make sure the cube was printed correctly. Step 1: Attach a Ruler to the Axis. If you’re a proud owner of a 3D printer, you’re already aware of the incredible potential it holds. Calibrating a 3D printer may sound daunting, but fear not! Please calibrate your 3D printer, start with: Set the correct e-step value. These are easy to measure with a caliper. Write down the value, memorize it, and always have it handy moving forward. Measure where the mark on the filament is in relation to where you measured from. 5mm too large is a lot, but 2. Check out the best calibration cubes for the job, along with tips for using them! Nobodys Handyman. Zip ties or clips. To calibrate the XYZ steps of an Ender 3 you can 3D print a 20mm XYZ Calibration Cube. Click to find the best Results for calibration cube Models for your 3D Printer. Oct 23, 2023 · Best 3D Print Tolerance Tests. The XYZ calibration cube helps tune the dimensional accuracy of your 3D printer. On some printers, the fan turns on immediately as well. This was a pretty useful article 3d Printer Calibration Cube - All3dp. If everything looks good, turn the printer on. Apr 10, 2022 · To calibrate the Z-axis on your 3D printer, download and 3D print an XYZ calibration cube and measure the Z-axis with a pair of digital calipers. Double Helix Bridging Test. Secondary Printer Tuning. Feb 1, 2018 · What it means for Marlin (the firmware in all UM printers and in 90% of printers out in the world) is the speed the head slows down to on corners. If you have a skewed printer, this means that the x and y axis are not particular to each other. Voron Official and Community Documentation. Step 1：Tighten V-Slot Wheels on the Z-axis. Step 5: Update to the Right Z-Steps. OK, this is a straight forward cube to calibrate your 3D printer. Let’s put it through the regular tests and see if the Creality Measure and calibrate. The XYZ calibration of your 3D printer is divided into the respective axes. This is a simple calibration test cube for your 3D printer with X, Y & Z written on the axis. Use your PCs software eject to remove the USB adapter and SD card. First, is the bow. Published Nov 28, 2023. Learn how to test and improve them with this comprehensive guide from All3DP. An XYZ cube is a calibration test for dimensional accuracy testing, it is not meant for extensive trouble shooting. While this is a very valid test to measure the accuracy of their printed parts, it is not a suitable measurement to base adjustments of the X, Y and Z steps per mm. To further calibrate your 3D printer print one out and you can then measure this models dimensions against the expected dimensions. Read More ». Therefor, there are no specific resources for cube irregularities, the regular resources can be used for trouble shooting. You switched accounts on another tab or window. Click to find the best Results for gcode calibration cube Models for your 3D Printer. Calibrate your Z-Offset. You would require this value further. then: If your printer has a voltage selector, make sure it's set to the correct position. Filament Test Cube. INTRODUCTION. After a few seconds, you should see your ambient temperature on the screen. You can also calibrate your Z offset using a BLTouch or by ‘live-leveling’. With this set of 3D models, you can fine-tune your 3D printer to optimize your it's capabilities and get the best 3D printed parts possible. Sep 8, 2021 · 2. Designers may be certain that the device is calibrated properly if the measurements are exact. us/digitalc Other Popular Test Objects to Calibrate Your 3D Printer 3D-Benchy. 5W CR-Laser Falcon Engraver. The main prerequisite to this guide is the successful installation of Klipper as described in the Klipper Kit Installation Guide. Also set infill to 0% on main panel. Input Shaper auto-calibration. Oct 31, 2021 · This means that placing the cube not in the middle but into the upper left corner of the bed will likely yield different results. to/3U7heyc A sharpie or permanent marker. Apr 8, 2023 · 3D printing tolerances are crucial for ensuring the quality and fit of your printed parts. Related models. CR-Laser Falcon 7. Du suchst nach "3D Printer Calibration"? Hier sind die neuesten und beliebtesten Artikel zu diesem Thema. You can dive straight in and print a model, but a good idea is to print a calibration cube. Feb 18, 2024 · The last big letdown of calibration cubes is that even if you were able to use them to get your x and y dimensions right, they don’t tell you anything about an often overlooked flaw of 3D printers, and this is skew. What you need. Opt for the usual settings for printing, ditching the need for supports or rafts. Jan 25, 2021 · This setting is found by going to the top under Settings > Printer > Manage Printers. If everything has worked as intended, the top Sep 19, 2022 · Using some stationary point on your extruder, measure 110mm on your filament and mark it with a felt tip pen. May 17, 2020. The process is to have a known target you are trying to reach and then measure the actual value. What determines "massively" oversized. Z Offset calibration. By default, the flow rate is always 100% (or 1. Sep 29, 2023 · Prepare to calibrate your Ender 3 V2. 5 mm and increases with 0. The extruder calibration is one of the most important process to do for any 3D printer. The best way to calibrate the x and y axes is to attach a ruler to the print bed. Copy your G-Code file to the printer. Calibrating Flow Rate. Every Day new 3D Models from all over the World. If you are not interested in printing as fast as possible, skip to the next section. The guide covers: 1. Filament Tuning. 77. Oct 28, 2022 · Step 2: Calibrate your 3D printer extruder. As the first step, we must connect a PC to the printer using a cable. Before we dive into the calibration techniques Aug 14, 2020 · This started with a request by my Patron magruder13: make an all in one calibration video to avoid needing to go through multiple old videos. 00 E40. The rotations of the stepper motor are responsible for moving the axes or the extruder. This plugin adds a menu to create some simple shapes to the scene (cube, cylinder, tube) and calibration sample parts. With your handy digital calipers, evaluate the Z-Height of the cube. XYZ 20mm Calibration Cube. Preferably Digital and metric. Kind of overkill with a 2mm overhang. If the mark is 10mm away, then your extruder is properly calibrated. Post the grand print, beckon your digital calipers, and delve into measurements. ”. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. 5. Turn off top layers. We usually see 3D printers with resolutions of 20 microns up to 100 microns. Rook. Pressure Advance calibration. All In One 3D Printer Test. Shell > Top thickness: 0. Master 3D printer calibration with our step-by-step guide. 00 in some slicers). Plus 1. Ensure accuracy and quality prints every time with our comprehensive instructions. – Connect. Ensure wall thickness is a known value. This genius exposure calibration test manifests as 8 distinct squares, each showcasing varying exposures, empowering direct quality comparisons. Dec 26, 2023 · Learn more. You signed out in another tab or window. - https://amzn. 5 MK2. Jul 22, 2023 · (Image credit: Tom's Hardware) 2. Next step in the extruder calibration process is to connect the printer to the computer via USB cable. Flow rate calibration is extremely simple and can be completed in less than 30 minutes using the process below. The XYZ Calibration Cube is a popular calibration test that helps you tune your 3D printer so it becomes more accurate and precise for making high-quality 3D prints. Start Kobra 2, and raise the Z-axis for easier adjustments. The Creality Ender 6 is the first CoreXY printer from their lineup, which uses 10mm belts and is also partially enclosed. MONO X R_E_R_F SIRAYA TECH V5. And again different results for the lower right corner etc. You can alter the settings I used in the Per-Layer Settings section. Next, in your software, set the extrude length value to “100” and tell it to extrude. It seems like on something this small, 2. 75 mm MK2. 2. Mar 15, 2021 · 3DPrintBeginner March 15, 2021. 005mm difference). o = observed dimension. Make two marks on the filament 100mm apart and align the bottom mark with the top of the extruder. This page serves as a companion for this video: 3D printer calibration revolutionised - Step by step to better print quality. One strategy is to calculate the fastest your 3D printer can move while extruding cleanly, set this feedrate in the slicer, and then tune acceleration to meet this speed. Thanks! Aug 30, 2023 · In this article, we will guide you through the process of first-time 3D printer calibration, covering important steps such as the overhang test, retraction test, tightening frame and wheels, leveling the bed and setting probe z offset, calibrating the extruder, XYZ calibration cube, and flow cube. Aug 14, 2021 · 3D model description. This episode covers stepper motors, measuring 3d prints and adjusting steps. View All >. I would not consider a 20x20 cube as representative test object for the dimensional accuracy of your printer. After saving the value on your printer, restart it and see what the default value is. Jan 4, 2023 · Made these to get a better tune than the 20mm calibration cube. "," This part of the guide and calculator is adapted from Martin Pirringer's tutorial. A properly calibrated 3D printer always produces better results. 5S MK3 MK3S MMU1 MMU2S MK2S MK3S+ XL MK4 MMU3 MK3. temperature. 7 %free Downloads. 00 Z20. Learn more about Orca Slicer calibration, one of its best features! Orca Slicer is a new slicer that is gaining a lot of popularity. Just print the cube and measure it from all axes using digital calipers. Customizable 3D Tolerance Test. 1 Like. Nov 23, 2020 · Bowden setup. You can inform the printer of the new value by sending the command M92 E [D]. May 26, 2022 · To see if your printer is over or under-extruding, you’ll need a ruler, measuring tape, or set of calipers. Print your model. Input the new e-step value into your machine. 0. Cali Cat – The Calibration Cat. stl” from the Voron Github page, and open the file in your chosen slicer. Jan 19, 2016 · Summary. Jan 16, 2015 · The 3D Systems Cube 3 is a midrange 3D printer that can produce items with excellent detail and smooth layers in both PLA and ABS plastic. Collections. 2908 "gcode calibration cube" 3D Models. Then you hit “Machine Settings” and go to the “Extruder 1” tab as seen below. You'll also find useful tips on how to calibrate your Ender 3 and achieve better dimensional accuracy. Apr 5, 2018 · Applying the EGO strategy to 3D printing of calibration cylinders. 00 Y200. 5 mm increments until it reaches 5 mm. Makes & Comments. Remove the model from the build plate. It has precise dimensions, such as 20mm on each side. Marlin takes the velocity vectors for the movement going in and out of a vertex (a 3 dimensional velocity) and subtracts the vectors and takes the magnitude of that. Use the short and wide one for the X & Y calibration and the tall one for Z calibration. While this command tells the printer the new value for the next print, it does not automatically save it in the baseline calibration settings. Each issue has a clear high resolution photograph, a detailed explanation of the subject, and a problem-solving checklist for how to improve 3D print quality. It is common practice for 3D printer users to measure a 20mm calibration cube to see how dimensionally accurate their machine is. 9 %free Downloads. 4mm, the flow rate needs to be increased. Calibration Ruler. Dec 10, 2022. The individual steps are the same. Use the default slicer settings, but make sure the hotend temperature and bed temperature are correct for the filament you are using. Replace (B – C) with your measurement, 10 with the target value of that measurement, and A with the M92 value for that axis in the same way you did with the extruder. Before we dive into the calibration techniques 77. Measure each dimension after the cube has finished printing. In MatterControl, extrude 100mm of filament. 5mm on a larger item wouldn't make too much of a difference. First, you need to attach a ruler along an axis. So print the model, once this is done you are able, if your 3D printer allows it, to adjust your Steps per mm in your printers firmware. 2X Nozzle Diameter (Ex. Dec 11, 2023 · Welcome to the world of 3D printing, where imagination becomes tangible. This should make it quite fast during printing and it being enclosed should allow higher temperature material printing. AmeraLabs Town. Aug 30, 2023 · In this article, we will guide you through the process of first-time 3D printer calibration, covering important steps such as the overhang test, retraction test, tightening frame and wheels, leveling the bed and setting probe z offset, calibrating the extruder, XYZ calibration cube, and flow cube. Ultrafast and Economical Stringing Test. Calibrating the flow rate will involve printing a test cube and measuring its walls to identify the actual flow rate compared to the flow rate value. Step 2: Modify your existing slicers settings to match the list below. I designed this because I dislike printing benchy. if: e= expected dimension. A good starting point is 240C hotend temperature, 100C heated bed temperature, and 92% The steps per millimeter (steps/mm) calculation is used to calibrate the X, Y, Z and E axis of your 3D printer. Jan 4, 2024 · When working with 3D printing, flow rate calibration is critical to ensure accurate and consistent print quality. You signed in with another tab or window. PS: you can use some IPA to clean the glass bed in order to inprove your build plate adhesion. This 20mm calibration cube has almost everything you need to check before actually start your prints: overhangs, bridging, retraction, ghosting, stringing, etc. 5W Laser Engraver & Cutter. The flow rate of a 3D printer indicates how much filament is extruded per second. Please ensure that the printer is operational and responds to commands from the Klipper Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. November 22, 2019. Ruler along the x-axis. The calculator will then adjust your steps/mm based on the measured value to Sep 13, 2020 · Use a 3D printer which has high resolution (lower microns) in the XY axis and the Z axis. Nov 13, 2020 · In this video, I'll explain how to calibrate your 3D printer's steps for dimensional accuracy of the X Y and Z axis. XYZ calibration After printing measure the X/Y/Z size and fill in the form below if your cube is not 20x20x20mm in size to calculate new 3D Printer Calibration Cubes. I did print the "Cali Cat" and the results look good (to me). My own version of the popular model used to test out printing tolerances, surface quality and to tune up your slicing profiles for every filament change. by Hironori Kondo, Guilherme Schendel. XYZ Calibration Cube. If all axes measure exactly 20mm, well and good, but if there is a difference even in fractions, you need to calibrate the XYZ steps. wg wf wn pg ta lk rd ia qh mv