Spent laser tubes for Art etc

I’ve got two dead RECI 90W CO2 laser tubes and a small 50W tube that I’m getting rid of.

They’re no use as a laser anymore as they’ve depressurised, however I feel it’s a shame to throw out such nice pieces of glasswork.

If anyone wants them to make something out of they’re all yours.

They look like:

Can they not be re-gassed?

Nope unfortunately not, the glass tubes are a single use item.