By designing and 3D printing an adapter for a common 4-inch c-clamp, a simple kind of light duty press was born. Sure, one has to turn the handle on the clamp to raise and lower the moveable jaw ...
When the handle on my neighbor's faucet broke, he replaced it by tightening a small C-clamp on the valve stem. It worked so well that it's still there. Depending on where you look, you can find 30 ...