This 3D-printed keychain is inspired by the iconic BMW M Motorsport design — a symbol of power, precision, and racing passion. It features the legendary M stripes in five colors, faithfully representing the spirit of BMW’s high-performance division.

Designed for car enthusiasts and motorsport fans, this keychain combines clean aesthetics with a premium multi-color finish, perfect for your car keys, backpack, or as a collectible piece.

💡 Features:

• Inspired by BMW M Motorsport / M Performance
• Five-color design with layered print detail
• Optimized .3mf file ready for Bambu Studio
• Lightweight and durable (recommended materials: PLA or PETG)
• No supports required
• Easy to print on most multi-color printers

⚙️ Printing Instructions:

• Layer height: 0.2 mm
• Nozzle: 0.4 mm
• Infill: 15%
• Supports: None

• Color change:

   

  • The print pauses automatically at layer 20.
  • When paused, manually unload the black filament and load the white filament.

  • Once the change is done, resume the print.

    ⚠️ Important: The filament change must be done manually through Bambu Studio — it will not switch automatically.

   

🎯 Perfect for:

BMW fans, motorsport lovers, car collectors, or anyone looking for a stylish 3D-printed accessory that captures the essence of M Power.