AVB
Jesus of Cool, I'm bad, I'm nationwide
I was thinking of that when I made it. One of the reasons it is too thick to be used with a standard size saw. Now if you had a 12" gas powered saw that would be different but those aren't known for their finesse.

Ohhh, boy... Chiseling on it risks shattering the glass tube.
Rent a concrete or tile saw... Take thin layers off... Should be able to whittle through that in a couple of hours, once you find the tube :whistling: