Festool could make this as regular jig

[mirock]

The best idea as for my taste. Festool could make this as regular jig
https://www.instagram.com/p/BfgKhDOHS0T/?taken-by=festool_ukraine

 

[AlexThePalex]

It is a clever idea, but it looks way too big to comfortably move by hand.

 

[ben_r_]

lol seems to me like it would be the most awkward hand sanding block ever! Id prefer to just buy the 496962 Hand Sanding Block.