Something new popped into my head with the new year: "Top in a box", aka the "Not just a box" series. Here are a couple videos...enjoy:
View: https://youtu.be/vNDvUtwvHAQ
View: https://youtu.be/8N9KYKbddDM
Ed, these are delightful! Well done. The bottom of the first top looks like a ruby. Is it epoxy simply turned round? And that’s another thing; all the tops I have seen have a pointy bottom but these work quite nicely with a rounded bottom. Who would have thought!