Walking down the street I passed a glass shop.
I wondered what some flat tempered plate glass bits might
cost so I walked in and asked.

A week later and 35 bucks later I had these
three 4"x14" 3/8" thick flats. Since the minimum
order was $25 I went for three.

Six sides gives me a lot of choices for grit to apply.
If I can grock this tool see below for a pix.

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