Monday, June 17, 2013

Day 6.158: Knocking off the rough edges

One of Exile #4's birthday presents was a rock tumbler - it smooths and polishes stones using sand and a tumbling action similar to the waves on a beach. It's been churning away in the garage for the last few days. It's only the first of three stages with increasingly fine-grained sand to get a shiny finish, but it's already produced this transformation:

The next steps will probably have to wait until after our up-coming trip.

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