more versatile version of the paint shaker, but also heavier and more complex. Can be hand cranked. Can be machine cranked. Up to you. Switch spur gears to change ratios.

I was frustrated with the absence of any decent paint shaker that translates rotating motion to reciprocal motion so I designed my own.

"This is my vase. There are many like it, but this one is mine. My vase is my best friend. It nurtures life. I must care for it as I must care for all that grows."