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Trumpet-Playing Robot Finger Mechanism

3D model description

Finger mechanism for a Trumpet-Playing Robot. Includes 3 fingers that fit on the trumpet's body and can press each of the trumpet keys.

See the mechanism in action: https://youtu.be/qQjnSnuDjrw

Read how I designed it using OpenSCAD in the blog post: https://medium.com/@urish/designing-3d-printable-mechanisms-in-openscad-5838dcb65b39

Source code for models: https://github.com/urish/trumpet-robot/tree/master/hardware

What to print?

You will need to print the following parts:
* 3 × fingertip
* 3 × servo-gear
* 3 × servo-trumpet-attachment
* 2 × servo-mount
* 1 × servo-mount-middle
* 1 × rack-right
* 1 × rack-left
* 1 × rack-middle

Or you can simply print everything at once using build-plate.stl.

Required Hardware

  • A trumpet
  • 3 Micro servos (I used TowerPro MG90S)
  • 6 M3x10 screws for mounting the servos
  • 6 M3x30 screws for mounting the mechanism to the trumpet
  • 3 M3x16 screws and 3 M3 nuts for attaching the fingertips to the fingers
  • 3D model format: STL

Tags

Creator

License

CC BY SA

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