Simple Lice Combs

The children are scratching their head, and I didn't know where the Lice Comb was, as it had been last used years ago.

The only difficulty is to print with enough details so that the interstices are tight enough, without being welded together. Therefore I made 2 different sizes (0,2mm and 0,4mm), and chose the one with the best results.

Here is how is it for:
https://www.wikihow.com/Recognize-Head-Lice