How to build a one-piece
folding picnic table out of 2x4 lumber

Step 15. Add the seat braces

Hey, almost there. Just the rear seat to brace.

Turn the table upside down and prop or sit the rear seat on something solid. Ensure that the seat side-frame and the seat are at right angles to each other and fix the braces (i) in place. Just like in the picture.

Flip the folding table up the right way and see how it works