Hand cut lace out of steel shovels. She uses a plasma torch (which we have here at Georgetown, if you take sculpture you will learn how to use it)
A normal wheelbarrow cut into lace.
She also uses the cut steel pieces as stencils to make dirt lace works. Make sure to check out her work.
If you have not heard the name before make sure to check out her work. She can do some amazing things with simple tools. Check out her site HERE
you can even see older works that show her progression.