Divide round styrofoam balls by cutting them down the middle.
How to cut styrofoam ball in half. How to cut a foam ball in half? A long blade utility knife; You can cut a round styrofoam ball in half by tracing a line along its equator with a sharp pencil.
You can cut a round styrofoam ball in half by tracing a line along its equator with a. How to cut styrofoam ball in half