Here is a full size hair comb, based on a commercial sample.
I printed it with no problem, at 100% infill for strength and using a raft (I had some curling issues). Of course, resize it to your liking.
This object was made in Tinkercad.
Edit it online https://www.tinkercad.com/things/izYwoxYcFpd?sharecode=IVfbqyitSAfi_T7m_ebNLHAUZdIKQpYFpUysnWmKj24
The author hasn't provided the model origin yet.