Kobra 3 Max 3D Printer vs Sidewinder X3 Plus

Technical comparison · Fused filament fabrication (FFF/FDM)

In brief

Kobra 3 Max 3D Printer and Sidewinder X3 Plus are two fused filament fabrication (fff/fdm) in a similar class. Choose Kobra 3 Max 3D Printer if max print speed matters more; choose Sidewinder X3 Plus if price matters more.

Parameter
Identity
Launch year 2025 2023
Use tier F2 — Intermediate F2 — Intermediate
Price
Price (€) 699 € ~280–360 €
Price updated on 06/2026
Universal specs
Dimensions (W×D×H) (cm) 70.6 × 94 × 75.3 cm 49.2 × 50.7 × 61 cm
Weight (kg) 22.1 kg 16.6 kg
Work area (mm) 420 × 420 mm 300 × 300 mm
Z-axis height (mm) 500 mm 400 mm
Maximum speed 600 mm/s 300 mm/s
Declared precision 0.05 mm
Category specs
XY print surface (mm) 420 mm 300.0 mm
Maximum Z height (mm) 500 mm 400.0 mm
Kinematics cartesian cartesian
Max nozzle temperature (°C) 300 °C 300.0 °C
Max bed temperature (°C) 90 °C 100.0 °C
Max print speed (mm/s) 600 mm/s 300.0 mm/s
Closed chamber False
Filament sensor True
Auto leveling mesh mesh
Standard nozzle diameter (mm) 0.4 mm 0.4 mm
Multi-extruder False
Native Klipper True
Input shaper True
Multicolor printing True
Requires external accessory True
Maximum colors 8
Ecosystem
Cloud dependency No No
Software notes Equipped with Kobra OS, a Klipper-based firmware, controllable via a 4.3-inch touchscreen. Compatible with Anycubic Slicer and third-party software like OrcaSlicer. Features Wi-Fi for remote control via app. Multicolor printing requires the ACE Pro module, sold separately. The STM32 board runs Marlin and communicates via USB Type-C or TF card; it works with any standard slicer (Cura, PrusaSlicer, Simplify3D) without proprietary restrictions. Lack of Wi-Fi requires physical transfer of G-code files, but ensures full offline control.

The differences that matter

  • Price: Kobra 3 Max 3D Printer 699 € vs Sidewinder X3 Plus 320 € — Sidewinder X3 Plus wins (+118%)
  • Max print speed: Kobra 3 Max 3D Printer 600 mm/s vs Sidewinder X3 Plus 300 mm/s — Kobra 3 Max 3D Printer wins (+100%)
  • Work area: Kobra 3 Max 3D Printer 420×420 mm vs Sidewinder X3 Plus 300×300 mm — Kobra 3 Max 3D Printer wins (+96%)
  • Maximum Z height: Kobra 3 Max 3D Printer 500 mm vs Sidewinder X3 Plus 400 mm — Kobra 3 Max 3D Printer wins (+25%)
  • Max bed temperature: Kobra 3 Max 3D Printer 90 °C vs Sidewinder X3 Plus 100 °C — Sidewinder X3 Plus wins (+11%)

Which one to choose

Choose Kobra 3 Max 3D Printer if…

you value max print speed, work area and maximum z height.

See the Kobra 3 Max 3D Printer sheet →

Choose Sidewinder X3 Plus if…

you value price and max bed temperature.

See the Sidewinder X3 Plus sheet →

MakerSpecs is an independent atlas. We don't sell products: this comparison links to both sheets, where you'll find complete data and official links.