There is a unit available - my business makes them & is in process of a crowd funded global launch - price in brackets below.
It will accept glasses of all sizes - champagne flutes, wine or beer glasses, bottles & other tubular objects to 40cm long.
Has a gear reduced motor drive, outer frame to make it post-proof & options to fit a solid state 2.5 watt / 2500mW laser & EleksMana board.
the X-Carriage will also adjust for tapered glasses & bottles, so the laser will remain in focus on tapered pint glasses etc.
Sliding clamp to secure parts internally or externally secured from 30mm dia > 100mm dia.
£260 (£180) without laser, or £330 (£300( with 2.5 watt laser & mother board... + post outside UK.
Includes eye protection shield, rubber feet & ready assembled to work out of the box.
Built from Black Anodized Extrusion / Green Translucent Acrylic.
Not wanting to breach rules or advertise here, but happy to assist if you want one.. or parts description & dimensions/materials to build your own from what ever you have laying about.
If of interest, pictures to follow when i get back to work in a week - on holiday at the moment.