Cutting angles for the legs and supports so that the workbench opens correctly and can stand.
Combination square, protractor, tape measure, pencil
Folding workbench is by LJ Magnum (www.youtube.com/user/ljw12345100) based on instructions posted at YouTube (www.youtube.com/watch?v=FtdaEFsvyQg). Plans are found at hiswordinwood.com/plans_and_tutorials