During a recent trip to Harbor Freight, I picked up a 3-piece "Diamond Hone Block Set" bade by DiamondLife. It comes with three 2" x 6" Blocks with diamond pads in course, medium and fine grits.
I got them home, got them wet, and found that they had no trouble working with the glass.
At $12.99 for the set, I thought there might also be someone else out there that would want to know. Happy cold-working!
Mira
Inexpensive Diamond Pad Alternative
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