I once saw union carpenters cutting perfect pieces of drywall with only a tape measure and a utility knife. How do I do that?—Jarett R., Oakland, California First thing you should do is watch the ...

If your aim is merely to make something sharp enough that it can cut, you can make a knife out of a whole lot of things. Virtually any sort of metal, to begin with, so long as you have the heat to ...

Make enough attempts to cut foam using whatever you’ve got — utility knife, hacksaw, serrated plastic knife — and you’ll wish hard for something that cuts cleaner, faster, and better. While there are ...