|Oct 29, 2013, 09:35 AM|
Bradford West Yorkshire, UK
Joined Apr 2010
Mark length with a felt tipped pen, file around glass with corner of a triangular file, apply a drop of spit to the line and break using fingers. Clean and rotate ends in a blowlamp flame to fuse end of glass.
|Oct 29, 2013, 09:37 AM|
United States, MA, Mid-Cambridge
Joined Apr 2008
|Oct 30, 2013, 09:47 AM|
I don't file all around the glass, but put just a single mark on "one side". The filed mark should be facing away from you as you pull back on each side of the mark. That is, the filed mark should be under tension as you snap the glass.
You can wrap the glass on each side of the line with 2 pieces of paper to protect your fingers from glass splinters, in case the glass tubing has an unseen flaw and shatters instead of snapping cleanly.
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