Guillaume Matheron

Data scientist, PhD in computer science

3D printed Duplo-compatible locomotive

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This locomotive can fit on lego duplo tracks. Blender files are provided for adjustments.

Required hardware :

  • Motor with a diameter of about 21mm
  • 2xAA battery coupler, and hot glue or a ziptie to secure it to the vehicle
  • A couple of elastic bands or hair ties to increase wheel traction
  • 2 M3*50 screws
  • A few M3 nuts
  • A few M2*20 screws and nuts
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