Here’s my followup of how they are getting worn:

Shoes are now getting broken in.

Color has remained very nice!

The paint is cracking a bit where the shoes flex. And they are beginning to get dirty. 🙂

Overall, I think they are aging nicely! If I were to do this again, I think I would only use one coat of acrylic sealer so it would be less shiny.

And I also found some old sketches of the idea process: