Homemade curve sander. By Marius Hornberger. 15:01 video:
https://www.youtube.com/watch?v=zzOuT4P-WB0
Previously:
https://www.homemadetools.net/forum/...487#post131988
https://www.homemadetools.net/forum/...295#post146226
https://www.homemadetools.net/forum/...805#post133331
https://www.homemadetools.net/forum/...668#post132935
