Mine is WAY smaller than the original because I only had teeny sheets of shrinky dink, I plan to make it into a necklace too but I need to find a long chain somewhere... Also I traced the original because I knew that I wouldn't be able to draw a bug that well!
How to Make a Shrinky Necklace - Good things come in small (crisp) packages
Become a spectacle with a necklace of a pair of glasses around your neck.