Paul Payne’s Aluminum Jig for Blocks
The top block adjusts sideways to locate groove on top face of stock
The left middle block adjusts sideways to accommodate and hold stock firmly.
The screw adjusts up and down for depth of groove.
Jig Block Assembled
Angle screw to avoid ripping stock
Feed stock from right to left.
For double blocks reverse ends.
End view

Richard Keyes Wooden Jig Block
Jig Block Unassembled