Hi, never post here before but i was reading this thread and remembered seeing this site before,
"
http://www.howacoglass.com/glaskolben_tubes.html "
For all you COE90 folks this might be the thing for you and most of the hard work done "pulling points"
. Pre pulled sealed end cylinders for under 1.50 and you can use COE90 stingers and frit to decorate them. These guys got some cool molds also.
Thanks for all the info I'm getting from you guys on this site just thought i would give a little back
Steve