Power filer for scroll saw. By Mr Modify. 5:28 video:
https://www.youtube.com/watch?v=q5RtikE9Y48
Previously:
https://www.homemadetools.net/forum/...843#post183432
https://www.homemadetools.net/forum/...779#post183112
https://www.homemadetools.net/forum/...685#post182679