I have seen molds on www.sugarcraft.com Good Luck!!
http://www.cakesbysam.com/store/cart.php
If you look at the cake I posted yesterday, I bought my items here and used the angel hair lace rolling pin, the diamond impression mat and the lace impression mold.
http://www.earlenescakes.com/store/impression_tools.html
Earlene has the lace cutters and impression mats.
I love her website. It has so much helpful info.
I've used the edges of stencils before (like for scrapbooking) and various tips (rounds, stars, even leaf tips) to make a lacey look on my edges.
With the stencils, I just lay it on my fondant and follow the edge with a sharp blade. Then I go back with a tip I've chosen to make small cut outs. Then I go back with icing (royal or buttercream) and pipe small scrolls, dots, etc... after I've placed it on my cake.
You can get a good, original looking lace! I'm sorry I don't have a sample to show you off hand 
but it's worked great for me!
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