Cut them into circles, diamonds or triangles, or cut the edges with a fancy pinking shear that mimics the shape of the border on your page.
Use this template to cut out the required number of net circles, using pinking shears for a decorative finish if you like.
There also remains the option to do nothing, just fill up with unleaded and adjust the timing if pinking occurs.
To avoid raveling, try using pinking shears on your fabric instead of scissors.
Even the sewing tool known as pinking shears, a type of scissor that creates a wavy edge, may be named after the ruffled dianthus flower.