Instead of tossing your old funky looking lampshade, why don’t you give them new life by simple transformation.
Material: Lace, lampshape & hot glue gun or fabric glue
For the detailed steps please check out their tutorials. It seems easier to do it from the bottom and glue layer by layer till the top.
Night time, it looks really romantic:
If you prefer gathered lace effect then it’ll be like this (Via):