Even better is that the guy is 42 with no kids. I get that we all technically have ancestry that goes back to the first life on the planet, but this guy suddenly happens to have verified family lineage that goes back farther than any other human on the entire planet… And he’s the last one.
I pray that he consciously chose not to have kids… I know how soul destroying it can be to want to have kids but not be able to. But this guy… He suddenly, because someone needed a warm body to fill out their numbers to a nice round number, is directly confronted by a family lineage 9000 years old. And he’s the last. What an absolute mind fuck.

It says on the package that it’s artisanal, so I think that means it’s special.

Dental insurance kept denying him.

Print with larger holes, but then use multiple layers. Like Russian nesting dolls, but each “doll” would be rotated very slightly.
Also, try slots in opposite directions. Horizontal slots nested inside vertical slots would effectively create a mesh.
Flat panel inserts could be printed easily and then slid into a circular holder.