Magnet Insertion Tools

I use a lot of [3mm (diameter) x 3mm (height) cylindrical rare earth magnets](http://www.gaussboys.com/store/index.php/magnet-shapes/cylinders/c0303.html) to hold 3d-printed puzzles and models together. The magnets can be hard to work with-- they are too small to comfortably grip, and it often takes some force to get them to fit into the holes on the model.

These tools solve the problem:

* include a 3.2 mm (dia) x 3.2 mm (height) cylindrical recess in your CAD model
* load the + or - t