This parts tumbler was easy to build but it still does a great job of rounding rough edges and polishing the surfaces of parts cut with a CNC machine. You can see that it mounts in a bench vise ...

A parts tumbler is a great tool to have around. But if you don’t use it all the time, it’s hard to justify dropping hundreds of dollars on one. Fortunately, there are many ways to make your ...

Your tumbler's not like those other tumblers, but it needs to be cleaned just like the rest. Here's how to spiff up your ...

What to Do If Your Stanley Cup Gets Moldy If, upon disassembling your Stanley Cup, you see that some parts have gotten moldy, you might be grossed out — but don't toss your tumbler. Instead ...