If you’re reading Hackaday, there’s a good chance you had a rock tumbler in your younger days. Hell, we’d put odds on a few of you having one rumbling away in the background as you read this.

If you’re reading Hackaday, there’s a good chance you had a rock tumbler in your younger days. Hell, we’d put odds on a few of you having one rumbling away in the background as you read this.

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HIGH QUALITY - 5 pounds of 60/90 Graded Silicon Carbide Grit The first rock tumbling grit stage provides initial shaping (Step 1) The rock tumbling grit is packaged in a re-closable seal bags to ...