![](https://content.instructables.com/ORIG/FVH/USGK/KHAK4PL5/FVHUSGKKHAK4PL5.jpg?auto=webp&frame=1&width=840&height=1024&fit=bounds&md=9a296f47ffd50c07d485e2574c0a5b2b)
Nice build, the author puts a magnet inside a 4×4, and that is used as the straight edge to guide the saw for a straight cut.
https://www.instructables.com/DIY-Magnetic-3-in-1-Hand-Saw-Guide-Cut-Straight-Sq/
Nice build, the author puts a magnet inside a 4×4, and that is used as the straight edge to guide the saw for a straight cut.
https://www.instructables.com/DIY-Magnetic-3-in-1-Hand-Saw-Guide-Cut-Straight-Sq/