Every handyman knows that a combination square is a vital tool for drawing precise lines in DIY ... square along a piece of wood and pressing a pencil into the combo square, it's easy for those ...

Fit your pencil’s tip into the desired notch ... potentially throwing off every one of your projects. Check your square by drawing a 90 degree line across a straight board.

Grab that and any scrap of paper, napkin, or notebook, and you’re good to go. That’s the beauty of sketching. But what to ...