I Built a DIY IDEX 3D Printer (Print Two Parts at Once!)
Rebuilt from scratch, this DIY IDEX 3D Printer is a fully custom dual independent extruder system built with V-slot aluminum, smooth rods, and 3D-printed connectors for duplicate/mirror mode printing. Powered by Marlin firmware on RAMPS 1.4 + CNC shield with Arduino Mega, it features two separate X-axes, MK8 extruders, CR-10 hotends, and a 300x300mm heated bed—designed for batch robotics parts at twice the speed. 🔧 Key Features: Fully rigid V-slot aluminum frame with 3D-printed connectors and LM8UU bearings. Dual independent X-axes with separate NEMA17 motors and hotends (true IDEX). 300×300mm heated bed with MOSFET driver and spring leveling system. MK8 extruders + CR-10 24V hotends with dual cooling fans per nozzle. Marlin firmware on RAMPS 1.4 + CNC shield for 6-axis control. Modular design: 0.2mm layer height, 30% infill prints. 📦 Perfect for: Makers printing batch robotics/UAV parts (arms, frames, gearboxes) Experimenters building custom multi-extruder systems DIY builders upgrading from basic Cartesian printers Download files, wiring diagram, Marlin firmware, & parts list: https://themechninja.com/product/diy-... Dowload FREE calibration cube: https://themechninja.com/product/xyz-... Discover real DIY engineering at https://themechninja.com/ 🖨️ This is more than just a printer—it's a productivity machine for batch manufacturing. 🔔 Subscribe to Mech Ninja for V2.0 with nozzle leveling and tuning! TIMESTAMPS 0:00 Intro & IDEX Explained 0:54 Why Build This 1:15 Electronics Choice 1:31 Mechanical Design 2:01 Base Frame Assembly 2:29 Y-Axis Bed Assembly 3:19 X-Axis Assembly 3:48 Extruders & Hotends 5:25 Electronics Wiring 5:57 Marlin Firmware Setup 7:00 First Test Run 7:32 First Prints & Issues 8:43 Benchy Print 9:10 Conclusion Watch the Drone Tank V1.0 Video: • A Drone That’s Also a TANK (Unstoppable Bu... Watch the Drone Crawler Video: • A Ground Drone That Deploys an Aerial Dron... Watch the Foldable Quadcopter V2.0 Video: • My 3D Printed Drone Crashed Instantly… So ... Watch the Foldable Tricopter Video: • I Built a Foldable Tricopter (It Actually ...

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