# Mods & Builds **URL:** https://forum.snapmaker.com/c/projects-tips-mods/firmware-mods/100.md [Latest](https://forum.snapmaker.com/latest.md) · [Categories](https://forum.snapmaker.com/categories.md) · [Tags](https://forum.snapmaker.com/tags.md) --- ## [⚠ Third-Party Firmware Risk and Important Notice!](https://forum.snapmaker.com/t/third-party-firmware-risk-and-important-notice/40526)
**Author:** [@Simon\_Zhi](https://forum.snapmaker.com/u/Simon_Zhi)\ **Replies:** 2\ **Last updated:** [January 10, 2026, 6:32am UTC](https://forum.snapmaker.com/t/third-party-firmware-risk-and-important-notice/40526 "2026-01-10T06:32:38Z")
Hi community members, We’d like to share a few clarifications on third-party or self-modified firmware, especially DIY changes that may affect hardware or device functionality. These notes are to help protect your machi… --- ## [About Mods & Builds category](https://forum.snapmaker.com/t/about-mods-builds-category/40510)
**Author:** [@Simon\_Zhi](https://forum.snapmaker.com/u/Simon_Zhi)\ **Replies:** 0\ **Last updated:** [November 25, 2025, 5:08am UTC](https://forum.snapmaker.com/t/about-mods-builds-category/40510 "2025-11-25T05:08:24Z")
Share hardware, firmware, or software modifications to your printer, plus complex DIY projects (electronics, coding, and printed parts combined). Focus on function and processs. Share schematics, code, and step‑by‑step d… --- ## [DIY U1 Top Cover Fan Controller](https://forum.snapmaker.com/t/diy-u1-top-cover-fan-controller/43461)
**Author:** [@CthulhuLabs](https://forum.snapmaker.com/u/CthulhuLabs)\ **Replies:** 3\ **Last updated:** [October 5, 2026, 2:50pm UTC](https://forum.snapmaker.com/t/diy-u1-top-cover-fan-controller/43461 "2026-10-05T14:50:14Z")
So in this other thread ( 我想知道顶盖的接口定义，自行添加风扇 ) regarding running the top cover fans I have been working on a circuit for controlling two fans using the top cover controls. That thread is marked as Solved though so I figu… --- ## [MakerWorld Browser Extension for Snapmaker U1](https://forum.snapmaker.com/t/makerworld-browser-extension-for-snapmaker-u1/42790)
**Author:** [@Dragon2203](https://forum.snapmaker.com/u/Dragon2203)\ **Replies:** 66\ **Last updated:** [October 4, 2026, 6:29pm UTC](https://forum.snapmaker.com/t/makerworld-browser-extension-for-snapmaker-u1/42790 "2026-10-04T18:29:27Z")
Some of you may already know my browser extension. If you don´t know it yet you can find all the info on github. I usually post in official snapmaker Discord but I finally found time to also share this here. Yes w… --- ## [U1 Print Hub - big update since v2.6: scheduling, spool tracking, remote access, and a lot more](https://forum.snapmaker.com/t/u1-print-hub-big-update-since-v2-6-scheduling-spool-tracking-remote-access-and-a-lot-more/43227)
**Author:** [@dgambill](https://forum.snapmaker.com/u/dgambill)\ **Replies:** 3\ **Last updated:** [October 1, 2026, 11:34am UTC](https://forum.snapmaker.com/t/u1-print-hub-big-update-since-v2-6-scheduling-spool-tracking-remote-access-and-a-lot-more/43227 "2026-10-01T11:34:11Z")
Hi everyone, A while back I shared U1 Print Hub here at v2.6 - the free, open-source dashboard for the U1 that runs on your own PC and talks to the printer over your LAN through Moonraker (no firmware mods, nothing inst… --- ## [Snapmaker U1 Spool Tracker v1.0.1 — Preflight Filament Checks & Automatic Spool Tracking](https://forum.snapmaker.com/t/snapmaker-u1-spool-tracker-v1-0-1-preflight-filament-checks-automatic-spool-tracking/43519)
**Author:** [@ReplixCast](https://forum.snapmaker.com/u/ReplixCast)\ **Replies:** 0\ **Last updated:** [September 30, 2026, 8:02am UTC](https://forum.snapmaker.com/t/snapmaker-u1-spool-tracker-v1-0-1-preflight-filament-checks-automatic-spool-tracking/43519 "2026-09-30T08:02:07Z")
Hi everyone, I’ve just released Snapmaker U1 Spool Tracker v1.0.1, a small local utility built specifically around the U1’s four independent toolheads. The idea is simple: assign a physical spool to T0, T1, T2 and T… --- ## [Bespok3d, all the features you want, directly on the stock firmware](https://forum.snapmaker.com/t/bespok3d-all-the-features-you-want-directly-on-the-stock-firmware/42802)
**Author:** [@mauker](https://forum.snapmaker.com/u/mauker)\ **Replies:** 8\ **Last updated:** [September 28, 2026, 7:00am UTC](https://forum.snapmaker.com/t/bespok3d-all-the-features-you-want-directly-on-the-stock-firmware/42802 "2026-09-28T07:00:31Z")
Bespok3d is out. A desktop app and a small daemon that lives on your printer. Browse plugins, click install, done. Your U1 keeps running Snapmaker’s own firmware exactly as it shipped. Your printer is a Linux box. So y… --- ## [Snapmaker U1 Precision CNC Extruder Filament Guide (V2.5) — Permanent Fix for Clogs & TPU Printing Issues](https://forum.snapmaker.com/t/snapmaker-u1-precision-cnc-extruder-filament-guide-v2-5-permanent-fix-for-clogs-tpu-printing-issues/43494)
**Author:** [@Ethan](https://forum.snapmaker.com/u/Ethan)\ **Replies:** 2\ **Last updated:** [September 28, 2026, 5:31am UTC](https://forum.snapmaker.com/t/snapmaker-u1-precision-cnc-extruder-filament-guide-v2-5-permanent-fix-for-clogs-tpu-printing-issues/43494 "2026-09-28T05:31:25Z")
Hello everyone! First off, a huge thank you for the incredible support! The previous batch completely sold out, and with continuous demand, I’m open that pre-orders for Version 2.5 are now officially open. The V2.5 des… --- ## [SnapSlice: an open-source iPhone slicer and local U1 companion (App Store release pending)](https://forum.snapmaker.com/t/snapslice-an-open-source-iphone-slicer-and-local-u1-companion-app-store-release-pending/43473)
**Author:** [@Moemin\_FL](https://forum.snapmaker.com/u/Moemin_FL)\ **Replies:** 0\ **Last updated:** [September 24, 2026, 6:04pm UTC](https://forum.snapmaker.com/t/snapslice-an-open-source-iphone-slicer-and-local-u1-companion-app-store-release-pending/43473 "2026-09-24T18:04:18Z")
Hi everyone, I’m building SnapSlice, an independent iPhone app for the Snapmaker U1. I wanted to import a model, map its colors to the U1’s four toolheads, slice it, inspect the G-code, and send it to the printer from m… --- ## [Snapmaker U1 WLED Status Bridge – Real-Time Printer Status Without a Raspberry Pi](https://forum.snapmaker.com/t/snapmaker-u1-wled-status-bridge-real-time-printer-status-without-a-raspberry-pi/43211)
**Author:** [@Hack-N-Sniff](https://forum.snapmaker.com/u/Hack-N-Sniff)\ **Replies:** 8\ **Last updated:** [September 20, 2026, 2:33pm UTC](https://forum.snapmaker.com/t/snapmaker-u1-wled-status-bridge-real-time-printer-status-without-a-raspberry-pi/43211 "2026-09-20T14:33:00Z")
I wanted an easy way to see what my Snapmaker U1 was doing from across the room, so I built an open-source WLED status bridge that runs directly on the U1. No Raspberry Pi, Home Assistant, external PC, or cloud service … --- ## [Snapmaker U1 Stock Camera in Fluidd — No Custom Firmware Required](https://forum.snapmaker.com/t/snapmaker-u1-stock-camera-in-fluidd-no-custom-firmware-required/43275)
**Author:** [@Hack-N-Sniff](https://forum.snapmaker.com/u/Hack-N-Sniff)\ **Replies:** 9\ **Last updated:** [September 19, 2026, 8:02pm UTC](https://forum.snapmaker.com/t/snapmaker-u1-stock-camera-in-fluidd-no-custom-firmware-required/43275 "2026-09-19T20:02:10Z")
Hi everyone, I had been looking for a way to get the Snapmaker U1’s built-in camera working reliably in Fluidd. There are already several community solutions and discussions around getting the U1 camera into Fluidd. So… --- ## [I built an Android workflow for finding, slicing and sending models to Snapmaker printers — looking for testers](https://forum.snapmaker.com/t/i-built-an-android-workflow-for-finding-slicing-and-sending-models-to-snapmaker-printers-looking-for-testers/43377)
**Author:** [@Mr\_Aydemir](https://forum.snapmaker.com/u/Mr_Aydemir)\ **Replies:** 5\ **Last updated:** [September 16, 2026, 6:00pm UTC](https://forum.snapmaker.com/t/i-built-an-android-workflow-for-finding-slicing-and-sending-models-to-snapmaker-printers-looking-for-testers/43377 "2026-09-16T18:00:09Z")
Hi everyone, I’m the independent developer of MakerSpell, an Android app that combines multi-platform model discovery, local Orca-based slicing and network printer control in one mobile workflow. I have been testing it… --- ## [U1 BMCU-Klipper - Multi-Color / Multi-Material System - Up to 32 Filament Sources](https://forum.snapmaker.com/t/u1-bmcu-klipper-multi-color-multi-material-system-up-to-32-filament-sources/43374)
**Author:** [@Pawel\_Jarczak](https://forum.snapmaker.com/u/Pawel_Jarczak)\ **Replies:** 7\ **Last updated:** [September 15, 2026, 10:15pm UTC](https://forum.snapmaker.com/t/u1-bmcu-klipper-multi-color-multi-material-system-up-to-32-filament-sources/43374 "2026-09-15T22:15:03Z")
Hi everyone, I’d like to present my BMCU integration for the Snapmaker U1. BMCU is a relatively inexpensive, widely available and modular multi-color / multi-material system. Complete units are easy to buy, but BMCU is… --- ## [BMCU-Klipper - Snapmaker U1](https://forum.snapmaker.com/t/bmcu-klipper-snapmaker-u1/43233)
**Author:** [@lockser](https://forum.snapmaker.com/u/lockser)\ **Replies:** 4\ **Last updated:** [September 14, 2026, 9:31am UTC](https://forum.snapmaker.com/t/bmcu-klipper-snapmaker-u1/43233 "2026-09-14T09:31:27Z")
--- ## [\[Open-Source Engineering Preview\] ESP32 Timelapse Box: External-Camera Smooth Timelapse for U1 and Klipper](https://forum.snapmaker.com/t/open-source-engineering-preview-esp32-timelapse-box-external-camera-smooth-timelapse-for-u1-and-klipper/42645)
**Author:** [@Fat\_cat](https://forum.snapmaker.com/u/Fat_cat)\ **Replies:** 10\ **Last updated:** [September 13, 2026, 10:09am UTC](https://forum.snapmaker.com/t/open-source-engineering-preview-esp32-timelapse-box-external-camera-smooth-timelapse-for-u1-and-klipper/42645 "2026-09-13T10:09:54Z")
After quite a bit of development and testing, I have released the first version of the ESP32 Timelapse Box. The goal is to let a Snapmaker U1 or another Klipper printer control an external camera for layer-by-layer ti… --- ## [coroNET 2 - a physical companion system for Snapmaker U1](https://forum.snapmaker.com/t/coronet-2-a-physical-companion-system-for-snapmaker-u1/43267)
**Author:** [@Alpha\_Studio](https://forum.snapmaker.com/u/Alpha_Studio)\ **Replies:** 3\ **Last updated:** [September 5, 2026, 12:17pm UTC](https://forum.snapmaker.com/t/coronet-2-a-physical-companion-system-for-snapmaker-u1/43267 "2026-09-05T12:17:51Z")
coroNET 2 is my open-source hardware entry for the Snapmaker U1 Innovation Fund. It is an ESP32-S3 companion controller powered by coroNET OS 2 that turns live U1 and Moonraker telemetry into a physical control and feedb… --- ## [U1Deck — A dedicated Stream Deck interface for Snapmaker U1](https://forum.snapmaker.com/t/u1deck-a-dedicated-stream-deck-interface-for-snapmaker-u1/43225)
**Author:** [@Romain](https://forum.snapmaker.com/u/Romain)\ **Replies:** 0\ **Last updated:** [September 2, 2026, 11:45am UTC](https://forum.snapmaker.com/t/u1deck-a-dedicated-stream-deck-interface-for-snapmaker-u1/43225 "2026-09-02T11:45:54Z")
U1Deck — A dedicated Stream Deck interface for Snapmaker U1 Hello Snapmaker community, I am an independent developer and maker working on hardware and software integrations for physical devices. I recently completed B… --- ## [U1 TopCover Exhaust Filterbox](https://forum.snapmaker.com/t/u1-topcover-exhaust-filterbox/43169)
**Author:** [@mcmace](https://forum.snapmaker.com/u/mcmace)\ **Replies:** 1\ **Last updated:** [August 31, 2026, 10:11am UTC](https://forum.snapmaker.com/t/u1-topcover-exhaust-filterbox/43169 "2026-08-31T10:11:55Z")
Hey, i made an exhaust filtration system for the original topcover. Maybe it is useful for you aswell. I got inspired by the famous bentobox. It is a 2 step filtration with one hepa filter and 3 chamber carbon filter. … --- ## [BambuStudio-SnapmakerU1-Compat -remote version is ready](https://forum.snapmaker.com/t/bambustudio-snapmakeru1-compat-remote-version-is-ready/43105)
**Author:** [@VItasG](https://forum.snapmaker.com/u/VItasG)\ **Replies:** 0\ **Last updated:** [August 25, 2026, 1:50am UTC](https://forum.snapmaker.com/t/bambustudio-snapmakeru1-compat-remote-version-is-ready/43105 "2026-08-25T01:50:00Z")
这是BambuStudio-SnapmakerU1-Compat 的remote版本 配合tailscale 使用，可以实现远程打印。github地址：VitasGuo/BambuStudio-SnapmakerU1-Compat at tailscale-remote-print 新增功能： 远程打印（Tailscale 级联架构，v5.46.0+） 在外网也能安全连接家里的打印机——随处连接自己的打印机，数据完全自己掌控（W… --- ## [U1 Companion: the U1 on a Home Assistant wall panel, plus a simulator so you can try it without touching your printer](https://forum.snapmaker.com/t/u1-companion-the-u1-on-a-home-assistant-wall-panel-plus-a-simulator-so-you-can-try-it-without-touching-your-printer/42987)
**Author:** [@zkasuran](https://forum.snapmaker.com/u/zkasuran)\ **Replies:** 2\ **Last updated:** [August 18, 2026, 9:09am UTC](https://forum.snapmaker.com/t/u1-companion-the-u1-on-a-home-assistant-wall-panel-plus-a-simulator-so-you-can-try-it-without-touching-your-printer/42987 "2026-08-18T09:09:55Z")
I wanted the four slots on a panel next to the machine: what is loaded, what colour, which spools are official, which heads this job is using. The U1 already publishes all of it. print\_task\_config carries the slots, the … --- ## [More affordable U1 box sealing](https://forum.snapmaker.com/t/u1/43008)
**Author:** [@hxcyzl](https://forum.snapmaker.com/u/hxcyzl)\ **Replies:** 0\ **Last updated:** [August 16, 2026, 6:40am UTC](https://forum.snapmaker.com/t/u1/43008 "2026-08-16T06:40:04Z")
Materials: "1-meter long fiberglass rod, solid glass fiber rod, takeout thermal box support rod, hard plastic resin rod" 2.5mm\*2 Use 502 glue to bond the fiberglass and the printed part, and use soft glue (suitable for mobile phone frames, leather, fabric, etc.) to bond the printed part with the printer bed. Maintain the chamber temperature at 43–55°C, with the temperature gradually increasing over the printing time. Download link for the printed part: https://1811793662.share.123pan.cn/123pan/YaADVv-Bz993?pwd=VyZH# --- ## [New CNC extruder kit fix for the clogging and heat creep](https://forum.snapmaker.com/t/new-cnc-extruder-kit-fix-for-the-clogging-and-heat-creep/43006)
**Author:** [@Ethan](https://forum.snapmaker.com/u/Ethan)\ **Replies:** 0\ **Last updated:** [August 15, 2026, 4:45pm UTC](https://forum.snapmaker.com/t/new-cnc-extruder-kit-fix-for-the-clogging-and-heat-creep/43006 "2026-08-15T16:45:42Z")
Hi everyone! I’m the author/developer of the CNC extruder kit you guys have been talking about. I’ve seen some questions and wanted to clear things up! I developed this kit because I wanted a permanent fix for the clog… --- ## [Snapmaker U1 BambuStudio Compatibility Package](https://forum.snapmaker.com/t/snapmaker-u1-bambustudio/41966)
**Author:** [@VItasG](https://forum.snapmaker.com/u/VItasG)\ **Replies:** 34\ **Last updated:** [August 6, 2026, 5:21pm UTC](https://forum.snapmaker.com/t/snapmaker-u1-bambustudio/41966 "2026-08-06T17:21:02Z")
Hi everyone, I wanted to use some of Bambu Studio's slicing features, so I developed a compatibility pack using vibe coding. This allows you to configure the U1 for slicing in Bambu Studio and enables direct printing over the local network. As a beginner in programming, there may still be some bugs. Feel free to try it out, and I welcome anyone to fork this project to continue its development. Project link: VitasGuo/BambuStudio-SnapmakerU1-Compat: Enable Bambu Studio to support… --- ## [\[Tool\] Convert Bambu Studio 3MF to Snapmaker U1 3MF](https://forum.snapmaker.com/t/tool-convert-bambu-studio-3mf-to-snapmaker-u1-3mf/42810)
**Author:** [@nzlov](https://forum.snapmaker.com/u/nzlov)\ **Replies:** 1\ **Last updated:** [August 3, 2026, 9:42am UTC](https://forum.snapmaker.com/t/tool-convert-bambu-studio-3mf-to-snapmaker-u1-3mf/42810 "2026-08-03T09:42:18Z")
btu converts Bambu Studio 3MF material assignments into a Snapmaker U1 3MF while preserving the source model geometry. It supports both ordinary 5 geometry-layered projects and Bambu native Full Spectrum mixed materi… --- ## [SnapCon, SnapMaker U1 Fleet Management](https://forum.snapmaker.com/t/snapcon-snapmaker-u1-fleet-management/42794)
**Author:** [@ezeitoun](https://forum.snapmaker.com/u/ezeitoun)\ **Replies:** 4\ **Last updated:** [August 2, 2026, 6:07pm UTC](https://forum.snapmaker.com/t/snapcon-snapmaker-u1-fleet-management/42794 "2026-08-02T18:07:09Z")
Long story short, I run a farm of 25 Snapmaker U1 printers, and I got tired of not having a decent way to see and manage all of them from one place. So I built SnapCon. (ezeitoun/SnapCon: SnapMaker U1 Fleet Management A… --- ## [Full top hat and dryer system for U1](https://forum.snapmaker.com/t/full-top-hat-and-dryer-system-for-u1/42797)
**Author:** [@fxwoody](https://forum.snapmaker.com/u/fxwoody)\ **Replies:** 1\ **Last updated:** [August 2, 2026, 10:23am UTC](https://forum.snapmaker.com/t/full-top-hat-and-dryer-system-for-u1/42797 "2026-08-02T10:23:04Z")
As many should have seen in a few post, design i made for the U1 if interested :slight\_smile: https://www.printables.com/@Fxwoody3D/store --- ## [Custom Firmware for Snapmaker U1 - Enhanced Features & WebRTC Camera](https://forum.snapmaker.com/t/custom-firmware-for-snapmaker-u1-enhanced-features-webrtc-camera/40531)
**Author:** [@paxx12](https://forum.snapmaker.com/u/paxx12)\ **Replies:** 23\ **Last updated:** [August 2, 2026, 8:44am UTC](https://forum.snapmaker.com/t/custom-firmware-for-snapmaker-u1-enhanced-features-webrtc-camera/40531 "2026-08-02T08:44:54Z")
Custom Firmware for Snapmaker U1 - Enhanced Features & WebRTC Camera Thank you to the Snapmaker team for deliver the U1 to my door-step. I’m sharing a custom firmware that adds SSH access, hardware-accelerated camera s… --- ## [\[Tool\] Printproof, get your U1 files (Full Spectrum included) out to GLB, OBJ, USDZ, or a re-tinted 3MF with colors intact](https://forum.snapmaker.com/t/tool-printproof-get-your-u1-files-full-spectrum-included-out-to-glb-obj-usdz-or-a-re-tinted-3mf-with-colors-intact/42609)
**Author:** [@Sami\_Salah](https://forum.snapmaker.com/u/Sami_Salah)\ **Replies:** 0\ **Last updated:** [July 23, 2026, 4:38am UTC](https://forum.snapmaker.com/t/tool-printproof-get-your-u1-files-full-spectrum-included-out-to-glb-obj-usdz-or-a-re-tinted-3mf-with-colors-intact/42609 "2026-07-23T04:38:54Z")
Sharing a tool I built for my workflow. The problem it solves: once you have set up a multi-color or Full Spectrum print, that color work is locked inside the .3mf. Nothing else reads it, so exporting for a render, a lis… --- ## [New Tool to automaticly mix filaments for Full Spectrum printing](https://forum.snapmaker.com/t/new-tool-to-automaticly-mix-filaments-for-full-spectrum-printing/42522)
**Author:** [@Infinate](https://forum.snapmaker.com/u/Infinate)\ **Replies:** 6\ **Last updated:** [July 19, 2026, 4:03am UTC](https://forum.snapmaker.com/t/new-tool-to-automaticly-mix-filaments-for-full-spectrum-printing/42522 "2026-07-19T04:03:44Z")
Hello community, check out Color Blend at https://colorblend.ainlight.com/ a tool that will take a multicolor model and convert it into a Full Spectrum model. Thanks to @josuanbn for creating the BambuLab to Snapmaker co… --- ## [U1 Print Hub — free, open-source dashboard for your U1s](https://forum.snapmaker.com/t/u1-print-hub-free-open-source-dashboard-for-your-u1s/42516)
**Author:** [@dgambill](https://forum.snapmaker.com/u/dgambill)\ **Replies:** 1\ **Last updated:** [July 15, 2026, 5:59pm UTC](https://forum.snapmaker.com/t/u1-print-hub-free-open-source-dashboard-for-your-u1s/42516 "2026-07-15T17:59:16Z")
Hi everyone, I’ve been building U1 Print Hub, a free, open-source dashboard for the U1 that runs on your own PC and talks to the printer over your LAN via the Moonraker API - no firmware modification, nothing installed … [Next page](https://forum.snapmaker.com/c/projects-tips-mods/firmware-mods/100.md?page=1)