| Year | 2021 |
| Date | 12-Mar |
| Volume | 226 |
| Issue | 4,660 |
| Page | 400 |
| Category | Workshop |
| Part | |
| Title | A Humble Tumbler for Polishing |
| Author | Luker |
| Notes | Takes the elbow grease out of adding shine to small parts. Introduction, how it works, the tumbler design, the components in the barrel, the media used, the end result, using the tumbler to make fine powders, component cleaning |