TBH I stepped through it, it seems pretty good with no obvious errors and it's on the aspirational "to watch" list .. I worked with a few glass blowers for both craft and science applications some decades back so I have a few solid books on the history of glass and a few hundred hours batching glass recipes.
My benchmark for a great glass video is (say) any > 30 minute full piece video of Lino T. working:
My benchmark for a great glass video is (say) any > 30 minute full piece video of Lino T. working:
https://www.youtube.com/watch?v=DgbtaKfab7k
he's the Robert Fripp of cane work, the Eno of free form, ...
EDIT: here's a short nail biter for you: https://www.youtube.com/watch?v=7qt8-5Vx1HA