THE steel used in hacksaw blades is well adapted for making knives, as it can be ground to a good keen edge that stands up well under usage. The knife shown in the illustration was made from a ...

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.

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.