Octoklipper pi vs mainsail os. Dec 18, 2023 · The Best OctoPrint Alternatives in 2024.

You need software for conveying actions to your 3D Aug 8, 2021 · Connect to the Pi through WinSCP. Select: Nov 30, 2023 · Download Raspberry Pi Imager: Visit the Raspberry Pi website and download the Imager for your computer’s operating system (Windows, Mac, or Linux). cfg. Here's a list of all Pi's that will run SimplyPrint well; Raspberry Pi 4B (2, 4 or 8GB ram - only matters if you plan on having multiple printers running on your Pi) Raspberry Pi Zero W 2. Config network and printer. Open the OS image in the Raspberry Pi imager and then select the SD card. Octoklipper is literally just a Filebrowser Plugin for Octoprint where you can edit your config and such. bin on my SKR all I would need to do is flash Mainsail onto my R-PI and then upload my existing printer. I made this video to com Mar 18, 2023 · Armbian based. Go to the settings and select the Webcam category. The first thing we need to do is get the serial port that the printer is connected to. Navigate to the OctoPrint terminal tab and issue an M112 command in the terminal box. txt | cb0bf60 Sep 29, 2023 · Get, install and run the Raspberry Pi Imager. But Chromium is a resource hog ! OctoPi VS OctoKlipperPi. Read on to discover the best ones out there! Elaborate. Download the Klipper firmware. SimplyPrint makes sure you can always access your printer, its camera (if it has one), start, stop and pause prints - no matter Get started in 10 minutes. xz: Klipper(BTT github source), Moonraker, Mainsail are installed (based on CB1_Debian11_bullseye_minimal_kernel4. Published Jun 30, 2021. We would like to show you a description here but the site won’t allow us. conf in the file manager. Mar 26, 2024 · OctoKlipper and Klipper are basically the same. Step 2 Configuring Mainsail. Oct 24, 2021 · Second release of OctoPi-Klipper. all Raspberry Pi models. sudo apt full-upgrade. Feb 8, 2023 · Installing Klipper on Ender 3. The Fw is able to achieve high stepping rates on both new and old micro-controllers. MainsailOS is based on Raspberry Pi OS and is only slightly modified to carry the basics to run Klipper on your 3D Printer. MainsailOS supports several types of SBC. It's important to note that while this guide is tailored for the Ender 3 3D printer, the general installation steps for Klipper are applicable to various printer models. Pi versions that won't handle SimplyPrint very well; Dec 5, 2023 · Mainsail OS serves as a web interface for Klipper, enabling you to easily manage and control your 3D printer. So, even with a 64-bit processor on a recent Raspberry Pi model, you might not see a major improvement in performances. One of the main differences is, that OctoPrint, by default, can only be accessed when you're home on the same network as your printer. bin file off the pi and then transfer it onto the SD card of the printer to flash it. This includes adjusting settings to match the specifications and capabilities of your printer. sudo apt-get update && sudo apt-get install git -y. Apr 13, 2022 · Published Apr 13, 2022. Trusted by over 145k makers, our worldwide server network provides instant loading and full-frame rate webcam streaming while keeping your access secure and private. Step 2: Setting Up MainsailOS Dec 3, 2023 · Basic Information: Printer Model: Ender 6 MCU / Printerboard: SKR Mini E3 V3 & OctoKlipper on RPi4B klippy. Gadget, OctoEverywhere's free and unlimited AI print failure detection Aug 3, 2023 · The Mainsail web UI for Klipper came out in 2020 and has been updated over 70 times since then. Dec 18, 2023 · The Best OctoPrint Alternatives in 2024. bin file on the Pi. Download and install Raspberry Pi Imager to a computer with an SD card reader. One should verify that OctoPi boots and that the OctoPrint web server works. Klipperist eine Open-Source-Firmware, die die Standard-Firmware auf 3D-Druckern ersetzt. OctoPi-Klipper is OctoPi with Klipper pre-installed, OctoPrint default settings as documented in the Installation page. The Duet Web Control for Klipper served as inspiration for this; it was widely used by Voron users back when Klipper was still in its infancy. cd ~ && git clone GitHub - dw-0/kiauh: Klipper Installation And Update Helper. OctoPrint is a fully featured print server/web interface for 3D printers, written in Python and HTML/JS. What we do differently; remote control (& much more) SimplyPrint is in the cloud. Low end cards might fail pretty quickly in this kind of application. OctoKlipper is not meant to "find" the klippy. Simple Guide to setting up Mainsail OS on a Raspberry Pi 5 using RPI and Kiauh via SSH. Add the following sections, if not already present: moonraker. It does all the magic behind the scenes to get the video stream from your webcam to your computer. Being used to OctoPrint, OctoKlipper looks like the best "GUI" for the printer, and is pretty fast (at least compared with the other interfaces). It is highly recommended to change the default password using the following process: Klipper searching for mainsail. Jun 9, 2022 · The performance and price also fit right in the middle between RPi Zero 2 and RPi 4. Copy Klipper files to the MicroSD card. Meanwhile, OctoPrint is a web interface that works with Klipper and other software. Apr 2, 2023 · We run both a YouTube channel and a written blog. KlipperScreen is not an option : no configuration files editing. recommended for Raspberry Pi users. Klipper itself is the firmware solution, that can come with Moonraker and Mainsail/Fluidd. 16, plz don't hesitate to email Klipper utilizes an application processor (such as a low-cost Raspberry Pi) when calculating printer movements. I assume that OctoKlipperPi is the obvious choice if I intend to use OctoPi and Klipper, but was curious if there were any weird downstream effects I need to be aware of through Pi5-Mainsail. Unzip the contents and copy the . Advertisement. Check out the differences and see what suits your setup! All3DP. Once the appropriate "menuconfig" settings have been configured, press "Q" to Dec 9, 2019 · Start by installing OctoPi on the Raspberry Pi computer. [update_manager] refresh_interval: 168 enable_auto_refresh: True [update The issue is that most apps on Raspberry Pi OS 64-bit are still built for a 32-bit system. If you test it on other distributions, feel free to create a So I’m offering a fully functional BTT Pi v1. Add Webcam form. You've heard about Klipper: it's fast, great, and fixes your printing problems! Here's how to join in, and how to separate hype from truth. While adding or editing a webcam, you will see the following screen. The main difference between Klipper and OctoPrint is that Klipper is a firmware for 3D printers. Oct 20, 2023 · The Hyped Firmware Made Easy! How to Install Klipper: Step-By-Step Tutorial. Prepare the MicroSD card. Nov 18, 2023 · Klipper vs Marlin: The Main Differences. Jun 13, 2023 · Klipper is a superb firmware choice that enables faster printing and other benefits. Fast way (mainsail. OctoPrint isn't the only option out there for 3D printer control and monitoring. Install SimplyPrint. It provides the following functions: Simplified connection dialog. Read on to discover the best ones out there! A Klipper plug-in can improve your experience with this firmware and tailor it to your needs. Klipper is a firmware for high performance 3D printers. That means that you can access all the Klipper functions right from the UI. Open up the printer. Navigate to the Machine tab on the left. This process will take a few minutes, depending on the speed of your SD card. Anycubic Vyper Stock Firmware. The right side of the WinSCP window shows the Raspberry Pi's folders. The larger the SD card, the longer the first start-up process will take. Marlin. cfg file on your browser: Mainsail: in the Settings/Machine tab on the bottom left Jan 21, 2021 · Download and install Win32 Disk Imager. Our easy and user friendly setup guide gets you started in no time. Click on the Write option and select Yes in the next step. Learn how to set up the Ender 3 S1 (Pro) with Klipper! Aug 17, 2022 · Click on Save. Aug 25, 2022 · Insert a blank SD card into the computer using a card reader. Follow the file path as pi>>klipper>>out>>klipper. Select Upgrade to update the RPI image and Update to install updates for Klipper, Mainsail and Moonraker. If you don't use a Raspberry Pi as SBC, every default Debian Buster / Bullseye (recommended When the RatOS image has been written to the SD card, insert the SD card into the Raspberry Pi and turn on the Pi. Crowsnest is a webcam daemon for Raspberry Pi OS distributions like MainsailOS. To do this, make sure your printer is plugged in and paste the following command into terminal, then press enter: ls /dev/serial/by-id/*. Even old 8bit micro-controllers can obtain rates over 175K steps per second and rates over 500K steps per second are Feb 6, 2024 · In diesem Artikel vergleichen wir drei beliebte Klipper-Webschnittstellen: Mainsail, Fluidd und OctoPrint. I followed three diffrent tutorials on installing Klipper on my Raspberry Pi 3 and Ender 3 4. Its purpose is to easily keep an eye on the 3D printer from the distance. Raspberry Pi OS based MainsailOS. These are the main steps to install Klipper on an Ender 3: Gather the necessary materials. For a better understanding you may have a look here: MainsailOS is not the "all in one" solution for any use case. Using mainsail os is easier if you are not planning on having multiple instances of klipper on the same rpi because Jun 30, 2021 · by Jackson O'Connell. sudo apt update. bin file to your Windows PC. Hey everybody, I just got Klipper installed yesterday using Octoklipper. ssh into your Raspberry Pi: ssh pi@mainsailos. To do this, select "Machine" in the navigation bar. cfg, removed it and now it works. Therefore you will not find any customization beyond Aug 5, 2020 · Flash Klipper to the Mainboard. 2 out of the box with Armbian, Klipper, KIAUH, Moonraker, Mainsail, Fluidd, and even your WiFi preloaded for $50 plus shipping. You've heard about Klipper: it's fast, great, and fixes your printing problems! Mar 25, 2024 · OctoKlipper and Klipper are basically the same. Ist es den wirklich leichter? Od The printer's control board is just a tool/extension for the Klipper host (the raspberry pi) to use. 16. Install KIAUH. This hopefully will help those that don’t want to spend $25-35 then have to spend hours working around BTT’s poor Debian fork. i installed klipper onto an rpi zero 2 - i use the Raspberry Imager and selected the preconfigured image from the tool and that installed raspberry os, klipper, mainsail, klipperscreen, and KIAUH and other dependencies all at once which worked great, then i used the rpi to flash my MCU and install the klipper software there as well…. Kiauh is essentially a script where you can select a few options what you want and it will install it for you. Buttons for restarting Klippers host and MCU processes. In this step, you must download Klipper firmware and configure it for the Ender 3 S1. img. Over time, Mainsail has changed into a very useful and easy-to-use interface choice for Klipper users. Nice setup. bin file to the STM32F4_UPDATE folder we previously created. Install Klipper on the printer. Connect necessary peripherals such as network cables, webcams, the USB cable to your 3D printer. Click write and then yes to acknowledge that any existing data on the SD card will be wiped. Install and open official Raspberry Pi Imager. MainsailOS is not the "all in one" solution for any use case. Webcam Settings. User definable macro buttons that let you execute custom GCODE and cd ~/klipper/. Free, secure, and unlimited remote access to your full Mainsail web interface built by the maker community. With its user-friendly interface, advanced features, and streamlined design, MainsailOS is the perfect solution for anyone looking to take their 3D printing to the next level. Raspberry Pi 4. Crowsnest makes it easy to set up a camera for your Klipper 3D printer and keep track of multiple cameras. It is developed and maintained by Mikkel Schmidt (miklschmidt#2036 on the Rat Rig Unofficial Discord) with help from the community. make menuconfig. by Ken Douglas Updated Nov 18, 2023. Raspberry Pi Imager is the quick and easy way to install MainsailOS to a microSD card, ready to use with your Raspberry Pi. based MainsailOS. The official Raspberry Pi Imager is the simplest way to flash an image like this to an SD card. 5GHz. In case you already see the "Update Manager" panel with Mainsail in it you can skip this step, otherwise open the moonraker. Read on for our list of the best OctoPrint alternatives! Raspberry Pi OS Lite (either 32bit or 64bit) is a recommended Linux image if you are using a Raspberry Pi. From: Ender 3 S1 (stock) To: BIGTREETECH Manta E3EZ V1. The biggest question everyone has when switching to Klipper firmware is choosing Fluidd or Mainsail as your web page user interface. We strongly recommend that you use a high-quality SD card of class "A1" (or better) from a reputable manufacturer such as Sandisk, Kingston or Samsung. Most configuration of the single components is up to you. It contains some pre-configuration and software needed to run with Klipper firmware and Mainsail as your WebGUI to control your 3D printer. Click on Write to begin installing MainsailOS on the SD card. Learn about MainsailOS and how to install it on a Raspberry Pi! Advertisement. In theory, performances should be slightly better on a 64-bit operating system, even with 32-bit apps (link to the best apps for It is recommended to use a clean Raspberry Pi OS 32-bit Lite image. Note – The SD card should be formatted with FAT32. To motivate him (☕🍺😜) there are several ways to support him: Patreon (recurring) GitHub (recurring or one-time) Ko-Fi (one-time) Please also support all of our maintainers and contributors. bin. RatOS is a preconfigured Raspberry Pi image that aims to make it as painless as possible to get Klipper, Mainsail and Moonraker up and running on your printer. The repo has nightly builds on github actions, so you can always download the latest. Quad-core A53 @ 1. Use OctoPi v0. Can't keep an eye on your print the entire time? Abort failures and optimize your 3D printer with the PrintWatch plug-in for OctoPrint. sudo reboot. 9_20220912. After the Mainsail OS image has been flashed, we need to May 25, 2022 · Enter the IP, username and password just like you did for Putty, then click on Login. We strongly recommend using a high-quality SD card of class "A1" (or better) from a reputable manufacturer such as Sandisk, Kingston, or Samsung. cfg file. Install OctoPrint on the Raspberry Pi by following the instructions found at OctoPrint Download. This page will guide you through the steps to get your Armbian based SBC prepared for mainsail. cd ~/klipper/. pi@octopi. 9_202209012. Apr 30, 2022 · One of the most common Raspberry Pi alternatives for running OctoPrint or Klipper is a TV Box running Android. Nov 14, 2023 · Step 3: Downloading and Configuring Klipper. Plug in the printer to one of your Raspberry Pi's USB ports. Sign up. Orange Pi Zero 2. Here, enter the IP of your Raspberry Pi then click Open. In this view, you can add new webcams, or edit and remove existing ones. The first start of MainsailOS will take some time to expand your file system. With a Camera Module 3, I get a "No Signal" image. 2 with kernel5. I’m positive the wiring is done Jan 29, 2024 · Hello @boyago!. How does Klipper work? Unlike most firmwares for 3D printers, Klipper is not installed on the 3D printer board, it is installed on a PC or micro-computer, usually on a Raspberry Pi 3, 4 or higher (it can also be installed on other devices). Use Imager for Mainsail OS: This article will guide you through putting Mainsail OS (the operating system) on your Raspberry Pi. xz) Changelog Optimized the stability of WiFi connection (If you guys CB1 is STILL having WIFI issues even though V2. When choosing 3D printer firmware, you might be looking at Klipper vs. Then turn on the device and let it boot up. Once finished, you'll get a pop-up indicating that the Mainsail OS was successfully installed on the sd card. Raspberry Pi OS based. Find out which serial port your printer is connected to: ls /dev/serial/by-id/* and copy the output. Orange Pi 3 LTS. You also can use WinSCP. The plugin itself does nothing like this, it just allows for better integration of Klipper & OctoPrint. Once installed, ssh to your Raspberry Pi (Using PuTTY on Windows or the terminal on MacOS) at the address pi@octopi. With the Raspberry Pi connected to the Duet 2 WiFi via USB, power on the RPI and SSH into the Pi. Mainsail is primarily developed and maintained by meteyou. SOLVED: The configuration file I downloaded included a line to search for mainsail. All cfg files are There, all components updates can be done there too. Low-end cards might fail pretty quickly in this kind Raspberry Pi Imager is the quick and easy way to install Raspberry Pi OS and other operating systems to a microSD card, ready to use with your Raspberry Pi. Navigate to the OctoPrint connection area and click on "Connect" to cause OctoPrint to reconnect. With the Camera Module 3, I get the following in my crowsnest. See the comparison table I made: Raspberry Pi Zero 2 W. The M112 command will cause Klipper to enter into a "shutdown" state, and it will cause OctoPrint to disconnect from Klipper. Once the updates are complete reboot the RPI. It also ships with OctoKlipper per-insatlled, so you can use the OctoPrint GUI to paste in your printer. Start with opening Putty. Because I already have a firmware. I’ve followed multiple instructional guides online; How to install Klipper on the SKR Mini E3 V3 – YouMakeTech being the lastest one I tried. The least amount of setup. Mainsail requires a minimum configuration to function properly and will display a warning at startup if the required parts are not found in your configuration file(s). Raspberry Pi 400. After that, Mainsail is a web ui that is designed with Klipper in mind. Updated Dec 18, 2023. b. The default password is ‘raspberry’. Wait for the image to write to the SD card. Klipper is great 3D printer firmware but can be a bit tricky to set up. The installation process takes about 10 seconds. Raspberry Pi Imager. 12 or later. img file unzipped in previous step and select your SD card drive letter. MainsailOS is a premade image on the raspberry pi imager containing klipper, mainsail, crows nest, moonraker and sonar. Choose the proper OS you want to use. It. ベルトの緩みやヘッドの慣性により生じる振動を打ち消すなど、従来のマイコンのみで完結するファーム A plugin for a better integration of Klipper into OctoPrint. For some of the older 8 bit board types you can flash the firmware directly from the pi but for the SKR series we need to pull the . Plug in the SD card and turn the printer on. Once you have downloaded, installed and launched the Raspberry Pi Imager, select Choose OS -> Raspberry Pi OS (other): \ Hurakan_Debian11_Mainsail_kernel4. log Describe your issue: As the title says I’m trying to configure my Ender 6 to work with Klipper. Raspberry Pi 3B (+) Raspberry Pi 3 Model A+ (not the best, but it works) Raspberry Pi 3. . Copy the . OctoKlipper assists in configuring, controlling and monitoring the Klipper 3D-printer firmware. in a Terminal We would like to show you a description here but the site won’t allow us. Apr 30, 2023 · Mainsail and Fluidd are barely usable on the Pi 3 B+. This is very different to Marlin/etc where the printer control board does everything and can function completely independently of any host computer. io May 15, 2023 · Klipperとは. local. Click on the applicable card below to get the to the right guide for your SBC. We'll use this SD card to install Klipper on your Ender 3. Bug Fixes and Improvements. Quick rundown to setup your new sd card for your pi to get started with your new printer. Auf euren Wunsch kommt heute das Video zum I3 Mega und der Installation mit Klipper, unter Verwendung des MainsailOS Images. cfg) The following configuration elements are required and must be configured for Mainsail to function properly. For a better understanding you may have a look here: Dec 23, 2023 · Install OctoKlipperPi on SDCard. In short, MainsailOS is an exceptional Raspberry Pi OS-based distribution that offers a range of features and benefits designed to enhance your 3D printing experience. For further Klipper questions I recommend the Klipper forum: MainsailOS is a prebuilt image for several Single Board Computers (SBC) models. Seamless integration via OctoPrint, Mainsail, Fluidd, Moonraker, Klipper, Bambu Lab, Prusa & more - SimplyPrint is compatible with all the most popular 3D printing software and printers. cfg to Mainsail, correct? Jun 29, 2021 · Read on to learn how to install Klipper on an Ender 3 V2! Advertisement. -Ultra High performance. 1. The 'OctoKlipper' image that's available in the RPi imager just has the relevant bits preinstalled on the Pi for you to do that. Popular choices are. The Raspberry Pi Imager will now install the Mainsail OS on your SD card. It is just a simple and easy starting point to enjoy Mainsail and its features. I was following this video to get Klipper set up on my printer and went to flash the SD card for my new RPi4B through the Raspberry Pi Imager. To keep the project going he invests his free time, almost every day. The service got its name from the crow's nest of a sailing ship. SimplyPrint makes sure you can always access your printer, its camera (if it has one), start, stop and pause prints - no matter Aug 15, 2023 · The Best Klipper Plug-ins of 2023. Some of the webcam clients are provided by Crowsnest (Webcam streamer wrapper from the Mainsail-Crew). With a Camera Module 2. Jun 19, 2023 · Crowsnest is a webcam streaming service specially configured for the Mainsail OS and Raspberry Pi OS. Open the SD card on the left side of the window. Flash SD with Raspberry Pi OS Lite a. We only added the software parts to the existing base images for your SBC. Armbian. Next, plug the SD card into your printer and turn it on. It is platform agnostic and runs basically everywhere where you can install Python (the full version, not Micropython), be it a cheap single PCB computer like the Raspberry Pi running Linux, a fully featured gaming PC running Windows, a Mac Aug 6, 2019 · By offloading the printer movement calculation on a different computer (ex: a Raspberry Pi) Klipper can print faster and with better quality. Most of the time, these Android boxes are quite capable and you can get one relatively cheap. 9. Find the . 0 or later - see the octopi releases for release information. After connecting to the OctoPrint web page, follow the prompt to upgrade OctoPrint to v1. Put the SD card you'll use with your Raspberry Pi into the reader and run Raspberry Pi Imager. klipper とは、Marlinと異なりPC (含むRaspberryPiなどのシングルボードコンピュータ）による演算支援を前提とした3Dプリンタ用ファームウェア。. Kurzer Überblick über Klipper und seine Bedeutung im 3D-Druck. Raspberry PI: The green LED indicates SD card activity I was having some issues, OctoKlipper was bugging and Octoprintwas heating CPU like it was a buffet. MainsailOS. Connect to the printer & Install software. It appears to discover the camera and it's capabilities just fine (or at least from what I can See full list on obico. The comments at the top of the printer configuration file should describe the settings that need to be set during "make menuconfig". This will return an address as shown below. It takes around 30 seconds. Besides faster printing, Klipper offers simple configuration editing with a single . Mainsail OS (Other specific-purpose OS → 3D Printing → Mainsail OS) Mainsail OS comes with Klipper / Mainsail preinstalled, so you can skip installing them later; Raspberry Pi OS lite Thanks for your guys help! Definitely no, you still need to configure & compile Klipper to go on your printer. lint: Should fix shellcheck warnings | 2569dd2; Fix postrename script | dbcee22; Fix shellcheck errors in net module | 687b02f; Set wrong source path | fc95133; Add otg_mode=1 for CM4 in config. 2. 1. Once the appropriate "menuconfig" settings have been configured, press "Q" to Jan 25, 2022 · First, download the stock Anycubic Vyper board firmware. Jul 3, 2014 · I am using the latest Mainsail OS from the Raspberry Pi Imager and have fully updated it. A Klipper plug-in can improve your experience with this firmware and tailor it to your needs. CPU. 1, I get an image. 0 (with pi-cm4) w/ MainsailOS IMPORTANT - Latest Mainboard Variants of STM32F401 There are two variants - STM32F401RET6 and STM32F401RCT6 (mine), that sucks. After a few minutes the raspberry pi will host a hotspot called "RatOS", join this hotspot on your phone or a PC/Laptop with wifi, the password is "raspberry". by Phillip Bruno, Elliot Johnson-Hall, Jackson O'Connell. OctoKlipper is a OctoPi/OctoPrint with a Klipper installation, where OctoPi is the OS and OctoPrint is the web interface. The main thing to look for when purchasing a TV box is the amount of ram available, and the Android version which is running on the box. Open the file in a web browser or text editor and look for these instructions near the top of the file. Update OS. Navigate to /home/pi/klipper/out and copy the klipper. Sep 3, 2022 · To write the OS image to the card I like to use the Raspberry Pi imager. If there is a bug that belongs to the OS itself, please look first at the official Forum of Raspberry Pi OS. It is just a simple and easy starting point to enjoy Mainsail Sep 7, 2021 · Mainsail installation. Configure Klipper. You should consider dropping OctoPi for Mainsail or Fluidd. What is a Mainsail? Mainsail in lightweight alternative to Octoprint offering the same capabilities (if you forget that Octopint plugins have ever existed). We only want to provide an Image as a starting point. MainsailOS is not the typical distribution, for example, Debian or Ubuntu. Jan 20, 2024 · With this release, we also switched from Raspberry PI OS Buster to Bullseye. Quad-core A72 @ 1. Open Win32 Disk Imager, load the . Remember, the firmware of a printer is the brains behind it. cfg on Octoprint. This will trigger the board firmware update and the firmware will be flashed. 7I get everything succefully done every time, but apparently not cause as soon as I Getting started. by Jonathan Charnas Published Oct 20, 2023. This has only been tested on Raspberry Pi OS/MainsailOS so far. The Octoklipper UI feels a little clunky, so I think I want to try out Mainsail. Click on Continue and eject the SD card from the computer. MainsailOS is an operating system designed to run alongside Klipper firmware. All3DP Pro. bin file to the SD card. log. Quad-core A53 @ 1GHz. MainsailOS is a prebuilt image for single board computers that already includes Mainsail, Moonraker and Klipper. You have to SSH into OctoPi and you find it at. 3. No, OctoPrint and OctoPi are not the same thing. conf. xe bv ze pl np wq it by vn by