Based on WALDEON FERREIRA's work!

{warning} 1:32The selection of material cuts for this scene should use a sled

This jig needs an improvement using a spring, maybe! !
(Thanks to those who gave me this advice)
This tool is technically impractical, ideally a spring-operated bearing or a little clearance between the material and the bearing, one of the causes of kickback
If you make this tool, consider that point.