from Hacker News

Show HN: Single-string instrument made with ball bearings

by akumpf on 12/13/17, 2:27 PM with 1 comments

• by akumpf on 12/13/17, 2:37 PM

  Direct link to a video of the TuneFast Harp here: https://youtu.be/yGjTQOmBWsM

  And here are the files/info if you want to print your own: https://www.thingiverse.com/thing:2709667