RX PROJECTS TOOLHEAD

📐 Want to download the STEP files?
Support the project and get access to all design files on my Patreon

🔗 Hop into the Discord: https://discord.gg/jy8PF5Nt

 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 

It’s an evolution. 🔧💨
 you’ll be surprised how it performs

STEP BY STEP build guide 

Links of parts are needed 

🔧 Extruder & Hotend Parts

A1 Original Extruder Gear

A1 Extruder Gear (Aftermarket)

X1/P1 Extruder Motor

A1 / A1 Mini Hotend

A1 Hotend Heating Assembly

X1/P1P Hotend

X1-C Thermistor & Cartridge Heater

🧠 Electronics & Sensors

BIGTREETECH EBB36 CAN Bus

BIGTREETECH EBB42 CAN Bus

BIQU MicroProbe

Tactile Push Switch Button

Micro Switch (wears out)

Micro Switch KFC Type (long lifespan)

🧱 Mechanical & Frame Components

MGN9H Linear Guide Rail

Hotend Cooling Fan 25x10mm

Model Cooling Fan GDSTIME 5015 Blower

7x3.5  Magnet

Spring

🔩 Fasteners, Bearings & Misc

M3 Square Nuts

M3x20mm Dowel Pin

Extruder Ball Bearing MR104

Metric Screws Kit

M3 Heat Set Insert

Pneumatic Fittings PC4-M6