Remove any old trim from the lampshade.

Lay the shade on its side on top of the fabric and trace a pattern.

Start at a seam and give yourself an extra inch or two.

Glue the fabric in place with a hot glue gun starting at one edge.

Even up the other edge by cutting it with scissors.

Glue in place.

Cut the top and bottom to even up the fabric.

Fold over and secure with more glue.