Quote:
Originally Posted by sibelius
Hi Joe thanks for your message.
I am not planning to do any further treatments on the marble except fine grinding.
I m thinking to make a tool with opposite curve of the marble and stick on it a sand paper for the wet and dry sanding then mount this tool on a motorized lazy susan that spin the marble.
But is all theoretical, I am so slow and in the main time I might decide to buy a 16inch mirror, who knows? Thanks anyway
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Just use abrasive powder. Sand paper definitely won't work. And how will you work your way down to finer abrasive? Reading your comments makes me think you have not made a mirror before. This book by Jean Texereau describes grinding, polishing and testing in some detail. It would be well worth your while to read about mirror making before proceeding.
https://tinyurl.com/ma7z6bb2