How To Make An Opal Cutting Machine On The Cheap | …


Picture: Opal cutting machine with bucket. So, let's create a wet grinding setup. The first thing we need is grinding or polishing wheels, about 3-6 of them in different grits. I'll leave the actual grit recommendations to others but let's say something on the order of 100, 220, 400, 600, and then a …
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