My wife is using epoxy to encapsulate decals she makes and applies to different items like water coolers and cups. To keep the epoxy smooth—without drips—she needs to keep the item rotating until it sets up.
She was manually rotating the items for long periods of time to the point that she was sore from the effort, not to mention how time-consuming it was. I decided to build a machine to take over for her. What I came up with is in th picture above.
It uses a full-voltage (120V, 10 RPM) microwave oven motor to rotate a shaft. The shaft is held in place by two “bushings” made from Baltic Birch plywood mounted to a base made from the same material. Below is a photo album showing the build process: