This is a simple bug antennae headband that I made for our four-year-old to go along with her butterfly wings.
Print in ABS for flexibility, and then glue the antennae into their holders on the headband (ABS juice is ideal). You may need to adjust the tolerance on the holders. No supports needed.
This is highly customizable: size, aspect ratio, how large the teeth on the headband are, how long the stalks are, how big the rounded tips are, are the stalk tips flat or ball (if ball, you'll have to glue the two halves together, unless you want slightly-more-than-half balls), etc.
Code uses and bundles my Bezier library.