Spice bottle inner cap

Not sure if this type of spice bottle is common outside of Northern Europe, but here you have it anyway... This is model for the white inner cap.
Those spice bottles/jars are tempting to re-use because you can get refillls in cheap bags, however the inner caps get lost, worn out or are just wrong type for the spice you're refilling - ie. it could be one with small holes for ground pepper when you fill it with whole peppers, or vice versa.
3D printing those inner caps is a perfect solution. Note though that this is work in progress, the inner cap doesn't currently have any holes in it! It was difficult enough to get the fit right, and the model clean, and I thought people would want to experiment with their own hole patterns etc. so here it is while I get around to working on the holes myself :)
The fit is intentionally really, really snug, but as can be seen in the image works at least for me in 0.1mm PLA without support. It might be necessary to scale it up by 1% or something fo