Windmill watermelon slicer.
https://s3-us-west-1.amazonaws.com/h...lon_cutter.jpg
https://s3-us-west-1.amazonaws.com/h...er_upclose.jpg
1:29 video. Turn the volume down if you're not into pan flute meets '90s synthesizer music.
https://www.youtube.com/watch?v=APCXgWfdOvQ
Previously:
https://www.homemadetools.net/forum/...979#post129674
https://www.homemadetools.net/forum/...2889#post97440