Do It Yourself PVC Projects | axeman
Baccarat Crystal Tumbler - Rotary Pattern - they discontinued it for a while. I only had the Highball glasses now I am working on the DOF.
DIY Brass Wet Tumbler
Rock Tumbler Instructions | Directions for Rock Tumbling
Homemade rotary soil / compost screen - want to build something like this, but bike/kid powered!
Do you have a rock tumbler, but don't know how to use it to tumble rocks? Here are the instructions, including grit to use and tips for perfectly polished rocks.
Rotary Tumbler by stilly -- Homemade rotary tumble constructed from an electric motor, steel plate, shafting, pulleys, and a drum. http://www.homemadetools.net/homemade-rotary-tumbler-3
Product detail of Frankford Arsenal Platinum Series Rotary Case Tumbler
This is the best rock tumbler I've seen. Imagine being able to tumble different groups of rock at different times.