The QiDi Max 4 is a desktop FDM 3D printer designed for large objects and technical materials. Its CoreXY motion system combines closed-loop FOC stepper motors with enhanced cooling for stable printhead movement. The enclosed chamber features third-generation active heating and air circulation to maintain a stable printing environment for materials prone to warping.

The motion system uses 1.5GT belts, 10 mm wide, a linear rail on the X-axis, 12 mm steel shafts on the Y-axis, and four guides with two independent motors and trapezoidal lead screws on the Z-axis. The direct-drive extruder features dual hardened steel gears, while the ceramic throat and heat sink assembly help reduce the risk of nozzle clogs. Other features include a filament runout sensor, print recovery after a power outage, and a three-stage filtration system with a G3 pre-filter, HEPA H12 filter, and coconut-shell activated carbon. Built-in storage consists of 32 GB eMMC. The rated power is 150 W for the printer, 500 W for chamber heating, and 700 W for the build plate heating. The power supply is 110 V or 220–240 V AC, 50/60 Hz.

• Printing technology: FDM, with a CoreXY motion system
• Build volume: 390 × 390 × 340 mm
• Maximum print speed: up to 800 mm/s, with acceleration up to 30,000 mm/s²
• Maximum nozzle temperature: up to 370 °C
• Heated build plate: up to 120 °C
• Printing materials: 1.75 mm PLA, ABS, ASA, PETG, TPU, PA, and PC filaments, as well as carbon-fiber- or fiberglass-reinforced composites
• Extruder: one direct-drive extruder, with a material flow rate of 40 mm³/s
• Automatic bed leveling: using a load cell sensor integrated into the hot end
• Enclosed chamber: actively heated, up to 65 °C
• Display: 5-inch touchscreen with an 800 × 480 resolution
• Camera: 1080p camera with AI monitoring and time-lapse video recording
• Connectivity: Ethernet, USB 2.0, and 2.4/5 GHz Wi-Fi
• Compatibility: STL, OBJ, 3MF, STEP, and STP files; QIDI Studio, OrcaSlicer, and PrusaSlicer
• Printer dimensions: 558 × 578 × 612 mm
• Weight: 40 kg
• Package contents: filament holder with pneumatic fitting, filament spool holder, base cover, enclosure door handle, spare parts kit, mechanism maintenance oil, 7 mm wrench, power cable, Ethernet cable, USB flash drive with software and files, flat-head screwdriver, print surface adhesive, H1.27, H1.5, H2, H2.5, and H3 Allen key set, and print removal scraper