Klipper test. html>ab For each of these we explore variations on implementation in a Configuration checks ¶. Extrude a small amount to ensure that your extruder motor is on and holding. The descriptions in this document are formatted so that it is possible to cut-and-paste them into a printer config file. 3 KB. The probe z_offset will then be calculated from these measurements. Klipper is a 3d-Printer firmware. *Long bowden paths can sometimes need higher than 1. log file. Multi-probing without stowing¶ By default, Klipper will deploy the probe at the start of each probe attempt and then stow the probe afterwards. Jan 23, 2023 · Klipper Printer cfg1 – Temperature. Higher layers in the print will have a larger pressure advance value set. Instead, Klipper prefers human readable “extended G-Code commands”. It should be noted that software based correction will not achieve perfect results, it can only approximate the shape of the bed. Exhaust Fan Temperature Control (if chosen) In the slicer or with other commands, run the M141 command anytime to change the set point of the exhaust fan. At this point one can use the "paper test" to adjust the bed screw directly under the nozzle. Without the probe, move the nozzle to the center of the bed and perform a manual Z offset calibration by moving the nozzle down, step by step, until it barely touches the print surface. To begin using Klipper start by installing it. I am experimenting with a new tool head that requires each part cooling fan (there are 2) to be controlled The Klipper firmware will exit the test mode and use the set pressure advance value in future prints. 8retract_speed: 60unretract_extra_length: 0unretract_speed: 60Slice the test. Apr 22, 2022 · It could be nice if the limit does not influence retraction. 4. The only difference is that Marlin’s linear advance does not have a “smooth time” setting. If you want to print both with a single color, just print normally and both parts will print fused together. Measuring the resonances. Nov 28, 2022 · Basic Information: Printer Model: Rolly Your Own MCU / Printerboard: MKS Robin V3 & Mellow klippy. Status reference. My Klipper series continues with a video covering macros, pressure advance and input shaping. Welcome. Updated Feb 16, 2024. This is how Fluidd, Mainsail After completing the BL-Touch control pin and sensor pin tests, it is now time to test probing, but with a twist. We recommend starting from a cold start, but you can use the TURN_OFF_HEATERS command also. If everything is correct, it will print an estimated switch offset. length, speed) and zhop parameters (style, height, speed) but also wiping parameters (length, retract length before wipe). Then one can just run START_PRINT and END_PRINT in the slicer's configuration. ) The first step of the paper test is to inspect the printer's nozzle and bed. In the following, we assume a Cartesian printer that follows the conventions of a Cartesian Coordinate System. If, during a print, the host computer also performs an intensive general-purpose computing task (such as defragmenting a hard drive, 3d rendering, heavy swapping, etc Klipper is a 3d-printer firmware. Each shaper causes a certain amount of deviation from Klipper’s calculated target motion. Dec 7, 2023 · Pressure advance is a technique that can improve the print quality and speed of your 3D printer. cfg settings how far the X and Y axes can safely move without hitting the printer’s frame. This document describes Klipper's stepper phase adjusted endstop system. Dec 13, 2023 · Klipper: PID Tuning – Simply Explained. By sending the following Gcode command in the Klipper Terminal: SET_VELOCITY_LIMIT SQUARE_CORNER_VELOCITY=1 ACCEL=500. But how does it work and how can you adjust it in Orca Slicer, a new and powerful slicing software? Find out in this simple and comprehensive guide! Mar 7, 2024 · There are practically two ways of configuring the input shaper feature in Klipper firmware. Published Apr 21, 2023. The manual method is less accurate and more time-consuming. Set the heatbed temperature to 60C. Sep 1, 2022 · When you “Adjust Live Z” (AKA Baby Stepping) with your klipper UI of choice the offset change is saved instantly to the sheet that is installed. Once the appropriate "menuconfig" settings have been configured, press "Q" to 4 days ago · Activate firmware retraction in your slicer. The Bed Mesh module may be used to compensate for bed surface irregularities to achieve a better first layer across the entire bed. Suggested layer height is 0. Place a M141 S35 in the ending g-code to cooldown the chamber after Mar 22, 2021 · In the config file we first need to define the macro. g. Read on to learn all about it! Advertisement. Slicer Settings. e. To build and install the new micro-controller code, run: sudo service klipper stop. I have watched the pressure advance change in the console so I know the calibration command took, but the print corners look the same, bulging. Let’s go over the setup process in detail. stl if you chose to follow step 1) Tip: in PS/PSS, you can right-click the “arrange” button and set the distance to a large value. The comments at the top of the printer configuration file should describe the settings that need to be set during "make menuconfig". I hope for this guide to be free of Dec 23, 2022 · Here’s how to use linear advance in Klipper: Print test model; Determine the optimal Pressure Advance value; Calculate the Pressure Advance value; Set the value in Klipper; 1. cfg file that Klipper reads. 2 or 0. Once you've got the firmware up and running, learn how to work the Klipper bed mesh compensation. During resonance both motor are active since it test x movement direction and y movement direction. [filament_motion_sensor SFS_T0] detection_length: 10. 020. It can be installed on any Klipper machine and is not limited to those using the full Klippain. Published Jan 9, 2023. For the PA Tower, I followed Klipper’s documentation and used their recommended slicing settings and calculations to get the pressure advance value. Bed Mesh also cannot compensate for mechanical and electrical issues. Those movement require to activate both the motor. Klipper module for automatically calculating your printer's maximum acceleration/velocity With one copy/paste and one line in your configuration, automatically optimize your printer's motion This module automatically performs movements on the x , y , x-diagonal , y-diagonal , and z axes, and measures your steppers missed steps at various menu. The default is 133. In contrast, using an accelerometer automates a lot of Aug 23, 2023 · Ender 3 with Sprite DD exturder, 0. This macro is parametric and most of the values can be adjusted with their respective input parameters. You need to set MOVE=1 and ADJUST_Z= in your call to SET_GCODE_OFFSET. by Jackson O'Connell. It combines the power of a general purpose computer with one or more micro-controllers. During this guide, it may be necessary to make changes to the Klipper config file. Therefore, when an M106 command is run, they both operate in parallel. Having said that though, his MVS test isn’t that different in principle from what you are already doing, so the teaching tech method may be better. This document is a reference for options available in the Klipper config file. ) in their standard configurations. log Fill out above information and in all cases attach your klippy. 08 @ 0. Direct Drive: Start with ~0 to ~0. It's good to do this by using GCodes, because the offset is applied as GCode-Offset. Klipper firmware is a unique setup that uses a Raspberry Pi to assist your 3D printer's mainboard. Delta calibration involves finding the tower endstop positions, tower angles, delta radius, and delta arm lengths. For example, if your measured lengths along XY are as follows: Length AC = 140. Measuring Resonances ¶. For example: Place a M141 S70 in the start g-code to hold the chamber at a high temperature for the duration of the print. Other than that, it works the same way as a limit switch. Make sure that your max_velocity in your config is set to this reasonably fast speed that you already know works reliably. Klipper has built-in support for ADXL345 accelerometer, which can be used to measure resonance frequencies of the printer for different axes, and auto-tune input shapers to compensate for resonances. Specifically I’d like easier syntax for printing towers like this one Configuration checks. Make sure nothing is misaligned or loose. It also needs to know where the origin (X=0 / Y=0) is. It’s often faster to just rebuild your extruder than to burn an entire day troubleshooting. I try manually setting the fan using M106 S255 from the (Mainsail) Console as well as using the fan slider Oct 13, 2021 · As you can see the actual extruded amount varied by 20% from 1mm^3/s to just 11mm^3/s ! 1732×980 74. Feb 23, 2023 · Restart Klipper/Firmware. It helps you determine which input shaper is best for your 3D printer. The acceleration test does need reasonably fast speeds to ensure accuracy, however. Anything thats not a true “Adjust Live Z” call wont change the sheet’s z-offset value. The first is to manually print a tuning tower and measure its ringing artifacts. This is also the reason Extruder kinematics. ”. If you're running Klipper, PID tune your printer using these commands! Advertisement. Mar 8, 2023 · To set up pressure advance in Klipper, you must first run some test prints and use these results to calculate the appropriate pressure advance value. Klipper’s goal is to support the G-Code commands produced by common 3rd party software (eg, OctoPrint, Printrun, Slic3r, Cura, etc. Length BD = 142. 8. It is surprisingly loud. 4,142. The stepper driver senses those lost steps which Klipper can then use to know that it has hit the end of the axis. Locate the pin the yellow wire is connected to (according to the original wiring) and note it down as the “control pin. Jan 24, 2022 · General Discussion. Description. Macros are prefixed with gcode_macro followed by a space and then then name of the macro. Jun 8, 2021 · Hi, was just wondering if it would be possible to use part of the process used during resonance test to fine tune corexy belt tension. The paper generally has a thickness of around 100 microns (0. First layers can be hard to get right. The offset can then be tested by slowly moving the nozzle to zero in several steps. Once you have acquired this value, you can enter it in your printer’s configuration file. Learn how Klipper can help you manually adjust your bed level by using the powerful routine screws_tilt_adjust. the loss of small / fine details. Klipper firmware is a unique setup that uses a Raspberry Pi to assist your 3D printer For long bowden extruders use: TUNING_TOWER COMMAND=SET_PRESSURE_ADVANCE PARAMETER=ADVANCE START=0 FACTOR=. Then count the number of teeth on the stepper motor pulley. back(force, update): will execute menu back command, optional boolean parameters <force> and <update>. * * To exceed 100mm, either click the edit button on the right side, or ctrl+click the bar. If configuring this value on a "clone" or older BL-Touch device, be sure to test the probe accuracy before and after setting this value (use the PROBE_ACCURACY command to test). Infill and top layers can be set to 0. Make sure [skew_correction] is in printer. The micro-controller software declares the commands that the host may invoke along with the response messages that it can generate. Print Test Model. Mar 8, 2023 · Mainsail temperature panel, source: 3DprintingGeek. 100mm). 05this test will test retract length Update your printer. For example, if a printer has a 2mm belt and uses a pulley If calibrating cold, run M302 P1 (allows cold extrusion) If calibrating hot, heat your hotend to printing temp. The example configuration should be for the "stock" configuration of the printer. I switched to Orca slicer to run This tool will move the printer's nozzle to each screw XY location and then move the nozzle to a Z=0 height. cd ~/klipper/. There is some interplay between accelerations and speeds. Klipper is Free Software. #max_freq: 133. In order to perform the paper test, cut a small rectangular piece of paper using a pair of scissors (eg, 5x3 cm). This functionality can improve the accuracy of traditional endstop switches. Verify that the 3DTouch pin is moving up and down as commanded in step 4. After completing the BL-Touch control pin and sensor pin tests, it is now time to test probing, but with a twist. Default value is False. For calibrating the hotend, I recommend following the steps below: Home the printer and adjust the nozzle position to sit in the middle of the bed, with about 5cm of clearance to the bed. I’ve been using a somewhat lazy approach to figuring out my MVS for various Jun 23, 2021 · Klipper (3D Printer Firmware): What Is It & How to Use It? by Jackson O'Connell. Probe accuracy The probe accuracy output is better than a range of 0. 25 mm. It is not a goal to support every possible G-Code command. It’ll help to get a better understanding of the issues. PA Start Value. This also eliminates the need for jumper cables, so the setup is cleaner, and more reliable (SPI bus doesn’t like traveling on wires) This option is slightly If you are looking to run the Klipper host software on a shared general-purpose desktop or server class machine, then note that Klipper has some real-time scheduling requirements. by Matteo Parenti. The following actions are available in menu templates: menu. Slicers will often allow one to configure "Start G-Code" and "End G-Code" sequences. This deviation is necessary for the avoidance of vibration, but can also have the effect of smoothing, i. This step slows down the nozzle at the corners and emphasizes the effects of extruder pressure. Position the toolhead far from the bed, issue a G28 (or PROBE if not using probe:z_virtual_endstop), wait until the toolhead starts to move Measuring Resonances - Klipper documentation. Locate the pin the white wire is connected to and note it down as “sensor pin. 6 CHT noz Manta M8P, klipper running on CB1 I have tried running the pressure advance from the klipper documentation here used cura with accelleration, jerk, and retraction disabled. Read on to learn more about its benefits! Advertisement. Once you've got the firmware up and running, learn how to work the To compile the Klipper micro-controller code, start by configuring it for the "Linux process": cd ~/klipper/. Introduction. In order to test PLA, we normally use 205 degrees or the usual printing temperature +-5 degrees. If one requires a less common G-Code command Make sure there is no “dead zone” when reversing extruder directions by hand. Print it and at the start of the print execute this command in the terminal :TUNING_TOWER COMMAND=SET_RETRACTION PARAMETER=RETRACT_LENGTH START=0 FACTOR=0. input - input value, only available in input script context. Instead of letting the probe pin touch the print bed, let it touch the nail on your finger. It will also disable input shaping if it was enabled previously, as it is not valid to run the resonance testing with the input shaper enabled. Make sure that the minimum layer time is at most 3 seconds. 2 KB) Describe your issue: I want to test the part cooling fan on two testers that I’ve designed on my own (working fine, but I want to see the different parts working). This guide will call it “pressure advance”, or “PA”. That’s it! You’ve successfully configured and set the pressure advance in your Klipper 3D printer. Position the toolhead far from the bed, issue a G28 (or PROBE if not using probe:z_virtual_endstop), wait until the toolhead starts to move Jun 22, 2021 · I’d like to request some quick feedback on an improvement to the TUNING_TOWER command I’d like to implement. Bowden: Start with ~0 to ~1* @ 0. Ellis’ Print Tuning Guide. This page is compatible with Klipper, Marlin, and RepRapFirmware. Are you having a hard time leveling your bed? Jan 18, 2023 · In Klipper firmware, you can test various Input Shapers at various frequency levels. Make a new line under the [bltouch] line, and type “sensor_pin First determine the type of belt. Higher the # value, the higher is the energy of the oscillations. The first recommended step is printing a test model, like the Square Tower test model, which will allow you to raise the Pressure Advance value gradually. This origin is the beginning of the usable printer bed. Jan 9, 2023 · Klipper: Bed Mesh – Simply Explained. (optional) Eg: If i set a limitation of 12 mm³/s and a move should extrude with 15 mm³/s - x, y, z move will slow down to match the limitation of 12 mm³/s. Updated Dec 13, 2023. This document is a reference of printer status information available in Klipper macros , display fields, and via the API Server. #accel_per_hz: 75 # This parameter is used to determine which acceleration to use to # test a specific frequency: accel = accel_per_hz * freq. Run the following commands in the Klipper console one at a time, and refer to the console screenshot below to verify the results. The z_offset is the distance between the nozzle and bed when the probe triggers. Klipper Input Shaping improves print quality by exorcising the ghosts caused by vibrations and resonances. These settings control printer motion on a delta printer. (There are too many "customized" configurations to track in the main Klipper repository. Sensorless homing is a Klipper feature where it moves the carriage and bed until they hit the frame of the printer. SET_SKEW can be used to configure skew correction for the XY plane. 00 ; This can be adjusted to your desired level of sensitivity. Adjust the Shake&Tune is a Klipper plugin from the Klippain ecosystem, designed to create insightful visualizations to help you troubleshoot your mechanical problems and give you tools to better calibrate the input shaper filters on your 3D printer. It is labeled as position_endstop and can be found in the [stepper_z] section of the configuration file. Basic extruder movement is simple to calculate. Oct 2, 2023 · The X and Y Axis Klipper needs to know from its printer. Tune maximum accelerations first, then tune speeds second. MAX31865 Board Options. Klipper verifies that any move are between position_min (Default 0) and position_max (the physical limit of your axes) Edit for more clarity. Turn on the part cooling fans to 100% (can be done with M106 S255 command) Apr 19, 2023 · This would basically allow to configure in the firmware not only retraction parameters (e. It is most useful when using a Trinamic stepper motor driver that has run-time configuration. 1. When fully printed the test print looks like: The above TUNING_TOWER command instructs Klipper to alter the pressure_advance setting on each layer of the print. The main reason for this calibration macro is to get a filament and slicer agnostic way to calibrate the flow extrusion multiplier using simple measuring tools. Now you can run some real-life tests. I have been running Klipper with a toolhead that has two part cooling fans that both run off of the same signal. (First_Layer_Patch-0. make menuconfig. Welcome! This guide will help you calibrate and tune your 3d printer from A to Z — and should work with most common printers and firmwares! I have spent a lot of time developing and testing the methods in this guide, and I also hope to dispel some common 3d printer misconceptions and bad advice. Each one of these parameters has a non-obvious and non-linear impact and it is The z_offset is the distance between the nozzle and bed when the probe triggers. Run a CALIBRATE_Z. Note that using ADXL345 requires some soldering and crimping. CALC stands for Calculator and is only used for Flow and Pressure Advance. I only use Cura as a slicer, and it uses percentages for flow. 005 increment. I just wanted to share an alternative resource for calibration tests. 25mm. See the features document for more information on why you should use Klipper. If, during a print, the host computer also performs an intensive general-purpose computing task (such as defragmenting a hard drive, 3d rendering, heavy swapping, etc The default is 5 Hz. Marlin calls it “Linear Advance”, but it’s the exact same thing. Set the pressure advance values for our test. This document provides a list of steps to help confirm the pin settings in the Klipper printer. Dec 26, 2022 · Determining Maximum Volumetric Flow Rate. Read the documentation or view the Klipper code on github . Print comparison You’ll notice in the left cube how the corners are excessively sharp and bulging out. It slots into a stepstick slot on your SKR board, and the PT100 is connected via the stepper motor connector. log (72. In the menu, set "Microcontroller Architecture" to "Linux process," then save and exit. Aug 11, 2023 · sm stands for smoothing and represents the effect of the shaper on the motion. – Measure and Mark. extruder: extruder switch_pin: ^PG11 pause_on_runout: True ; This can be set to false to debug false positives putting the sensor in "monitor mode". make flash. 01mm. It is a good idea to run through these steps after following the steps in the installation document. it’d be incredible to have a feature that takes 5-10 points on the graph, asks the user to measure the extruded amount and enter their values, and have the firmware mutiply the flowrate by a multiplier depending on the calculated Klipper's goal is to support the G-Code commands produced by common 3rd party software (eg, OctoPrint, Printrun, Slic3r, Cura, etc. The fields in this document are subject to change - if using an attribute be sure to review the Config Changes document when upgrading the Klipper software. In some cases, Klipper uses unique G-code from that of other firmware. Activate firmware retraction in klipper : [firmware_retraction]retract_length: 0. The default for the value for the endstop position is -0. . The second is to use an accelerometer like the ADXL345. cfg. You should calibrate your extruder first. Jan 16, 2022 · It means the head can move even past the endstop for the given distance, e. Feb 16, 2024 · Klipper: Input Shaping – Simply Explained. Then, run the CALCULATE_SWITCH_OFFSET. This document describes Klipper's automatic calibration system for "delta" style printers. The host uses that information to command the micro-controller to perform actions and to interpret the results. Mar 7, 2024 · Set the Corner Velocity. Moves that are not extruding or that are extruding with ≤ 12 mm³/s should not be modified. cfg is not needed Be sure to check our Knowledge Base and in particular this and this post Describe your issue: Source or recommendation of Calibration prints and/or proceedures. 8,99. 10 is a recommended value to prevent flow dropoff false triggers. This working gives you the flexibility to choose from various options, and makes Klipper’s Input Shaping compatible across several 3D printer configurations. Run the following command: TEST_RESONANCES AXIS=X. Method. Feb 3, 2023 · Basic Information: Printer Model: Mendel90 MCU / Printerboard:BTT Manta 8P/CB1/ TMC2209 drivers klippy. STL file contains 2 separate parts: the drum skin and the drum body. Klipper gcode_macro. Use 1-2 perimeters, or even better the smooth vase mode with 1-2 mm base. Many (including myself) get confused with the current syntax, which works well for towers where the parameter changes smoothly, but requires extra calculations, or even a spreadsheet, when using the BAND option. Open the file in a web browser or text editor and look for these instructions near the top of the file. The Klipper PROBE_CALIBRATE tool can be used to obtain this value - it will run an automatic probe to measure the probe's Z trigger position and then start a manual probe to obtain the nozzle Z height. Then, from the point where the filament enters the extruder, using a caliper, measure 70mm and put a mark on the filament. Use sufficiently high speed, around 80-100 mm/sec, for external perimeters. Once Klipper is connected to your web interface, then follow the steps below to PID tune your hotend or heatbed. Configuration reference ¶. Choose a patch that matches your first layer height. A typical endstop switch has an accuracy of around 100 microns. Check out the best slicers for Klipper to get the most out of your upgrade. You may now use the SET_SKEW gcode to configure skew_correcton. Jun 21, 2022 · Hotend PID tuning in Klipper. Oct 22, 2023 · About the Flow_TEST, it uses the flow multiplier in %. Apr 25, 2023 · To check this, the result of the calibration can be verified by GET_POSITION: Here, the Z position in "gcode base" reflects the calibrated z-offset. Advertisement. Once you find a general range, run again with narrower range / finer increment. log: klippy. If this can be implemented reliably (I hope so…), it would basically take a large chunk of calibration parameters away from the The Klipper transmission protocol can be thought of as a RPC mechanism between micro-controller and host. 33 # Maximum frequency to test for resonances. Marking and Measuring for Klipper Extrusion Calibration Prepare for the test by issuing the following G-Code command: SET_VELOCITY_LIMIT SQUARE_CORNER_VELOCITY=1 ACCEL=500. Then print the object. If calibrating cold: Bowden: Disconnect the bowden tube from your extruder. by Ken Douglas. Once that happens, the stepper motor loses steps. This command makes the nozzle travel slower through corners to emphasize the effects of extruder pressure. cfg as recommended in Tap Klipper Instructions; Home Z and test virtual Z endstop by lifting tool-head; Heat soak your machine and run a couple probe_accuracy samples=100 to "break-in" your probe; Run a few more probe_accuracy checks (default of 10 probes) If configuring this value on a "clone" or older BL-Touch device, be sure to test the probe accuracy before and after setting this value (use the PROBE_ACCURACY command to test). Published Jun 23, 2021. Before you start, ensure that your hotend and heatbed are at room temperature. Klipper firmware unlocks loads of advanced 3D printing features. position_min: -5 position_endstop: 0 position_max: 235. 025mm (difference between highest and lowest), and a standard deviation of 0. When <force> is set True then it will also stop editing. Layers below the ideal pressure_advance setting will have blobbing at the corners, and Suggested layer height is 0. As I bring this The Z endstop position value is defined in the printer. Length AD = 99. Note that it will create vibrations on X axis. It is often convenient to define custom macros in the Klipper config file instead - such as: [gcode_macro START_PRINT] and [gcode_macro END_PRINT]. On bowden extruders, ensure that your tube fittings have minimal/no play. Contribute to Klipper3d/klipper development by creating an account on GitHub. Klipper implements extruder motion in its own kinematic class. With this pocket-sized drum, you can release your inner Buddy Rich while keeping your fingers busy. (The exact thickness of the paper isn't crucial. radensb January 24, 2022, 1:52am 1. The goal is to make it easy to set, share and use it. 05 increment. Jan 19, 2023 · Type [bltouch] in an empty line at the bottom of the file. If everything is in order go ahead and home your printer and verify the Z stop is functional. See the installation document for information on setting up Klipper and choosing an initial config file. The ThumbDrum-skin-drum. Direct drive: Remove your nozzle, hotend, or extruder. ) Similarly, we only add example config files for printers, kits, and boards that have mainstream popularity (eg, there should be at least a 100 of them in active use). Bed Mesh. See the test_prints folder. But if motor are activate to do a 45 degree movement first in one direction and then in the other we will have If you are looking to run the Klipper host software on a shared general-purpose desktop or server class machine, then note that Klipper has some real-time scheduling requirements. 33 Hz. Jan 29, 2023 · So, to invert the direction your X Axis stepper is going in, use the “!” character to change direction the “dir_pin” in the [stepper_x] statement commands the stepper to move like: [stepper_x] step_pin = PE2 dir_pin = !PB4 ### - Note the "!" before the "PB4" enable_pin = !PC11 microsteps = 16 rotation_distance = 40 endstop_pin = ^PF3 Pressure Advance Stepping. Since the timing and speed of each print head movement is fully known for each move, it's possible to calculate the step times for the extruder independently from the step time calculations of the print head movement. See the information described in "the paper test", but adjust the bed screw instead of commanding the nozzle to different heights. Endstop phase. SET_SKEW XY=140. cfg file. The easiest to use option is Ray’s PT100 stick. Instead, Klipper prefers human readable "extended G-Code commands". The rotation_distance is then calculated as: rotation_distance = <belt_pitch> * <number_of_teeth_on_pulley>. Then for printers with a direct drive extruder run the command: TUNING_TOWER COMMAND=SET_PRESSURE_ADVANCE PARAMETER Apr 21, 2023 · by Naomi Kaye. 5 as a safety factor to prevent crashing the nozzle into the print surface during initial operations. Pasting your printer. Most printers use a 2mm belt pitch (that is, each tooth on the belt is 2mm apart). After the macro declaration, we need to define a gcode: section for the macro. The klipper macros are here, the RRF here. [gcode_macro start_print] The next thing that is needed is the actual gcode to be executed. wq ab ab kz tk nw nz ib oh xq