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.

I used rock tumblers to make sea glass. Tumbling glass in a rock tumbler allows you to make your own sea glass in just 3-5 days. Trump ‘not looking out for the little guy’: President expands ...