December 6, 2025
Description
📐 Want to download the STEP files?
Support the project and get access to all design files on my Patreon
If you’re chasing top-tier print quality without breaking the bank, this DIY A1-style is a game-changer. It’s not just a copy — it’s modular, efficient, and full of smart upgrades that rival even the original.
✅ Why Build One?
• Incredible print quality — Fully compatible with Bambu slicer profiles
• Quick-swap nozzles — Get back to printing in seconds
• Modular design — Upgrade and replace parts with ease
• Integrated filament sensor — Internal and reliable
• Auto filament loading + single-button unload — Smooth and user-friendly
• Lightweight toolhead — Perfect for input shaping and high-speed accuracy
• Affordable parts — Clone components are widely available and budget-friendly
• Consistently reliable — Solid mechanical structure, built to last
• Looks clean & professional — Not your average DIY toolheads
This toolhead was made for Linear rails MG9 and tested on Cartesian printers only. If you want, you can get the .STEP files and adapt them to your desired rails or printer model
I also made a version for Vorons that you can find here
After installing here is the new Rotation distance for A1 gear [rotation_distance: 4.7123281892773 ]
STEP BY STEP build guide( V2)
Note: All links are provided for convenience. Buy if you want to buy from them, or you can find your own buying source.
# 🛠 Printhead Parts List
A1 Extruder Gear (Aftermarket)
X1-C Thermistor & Cartridge Heater
Micro Switch KFC Type (long lifespan)
Model Cooling Fan GDSTIME 5015 Blower
License:
Creative Commons — Attribution — Noncommercial — Share Alike
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Raidy
