Cut a canvas drop cloth to size, allowing for a 2-inch hem on all sides. Iron it to remove wrinkles.
Paint both sides of the canvas with an even coat of acrylic gesso to prime it. Allow the gesso to dry.
Fold a 2-inch hem all around the canvas and affix it using carpet tape.
Mark your design using a pencil. For perfect circles, you can trace around plates or bowls. Use painter's tape to get straight, crisp lines.
Paint the design using acrylic paint and a paintbrush. Use a roller for large areas. After finishing the motif, remove any painter's tape and touch up the edges with a small paintbrush. Allow the floor cloth to dry thoroughly.
Seal the floor cloth with a polyacrylic varnish. Apply three coats, letting the varnish dry between each coat.