Blow up a balloon, cover it in doilies using a craft glue. When it's dry, pop the balloon & you have an awesome decoration. Bet you could use it as the lampshade on a small pendant light, too. Great-gramma's and my MIL's doilies may find another use.
Ravelry: Colorful Noren Curtain pattern by Pierrot (Gosyo Co., Ltd) pdf - I don't really like this, but it did give me inspiration to use a wispy light weight yarn and crochet a spider web pattern with bright do-hickeys spaced thru out for a curtain.