I've had a belt sander for some time, used if for restorations, decided to try to make a blade
01 tool, I made a rough cut out
https://i.imgur.com/WsLQxeO.jpg
Spine
https://i.imgur.com/PHAq9lN.jpg
Grind after 40 grit
https://i.imgur.com/wPVuOiP.jpg
https://i.imgur.com/ErSlcER.jpg
Not too bad
Jimps
https://i.imgur.com/jNoFShO.jpg