Killing jar

# Summary
This device can help turn any plastic container into simple to use [killing jar](https://en.wikipedia.org/wiki/Killing_jar) for insects. Part named 'insert' fixed with nut into container lid. Cap works as travelling inkwell, it securely hold killing agent (for example - ethyl acetate); you have to shake jar really hard to spill it. In case of spill there is special pocket in insert for cotton or fabric.

You can easily remove cap for refill and put it back. Liquid will continuously evaporate and keep high vapour concentration.

# How to install
1. Print `template.pdf` and glue it with something sticky to lid of your container.
1. Mark centers of two circles.
1. With knife mark edge of larger circle.
1. Cut larger circle with knife
1. Drill smaller hole with 5mm drill (I use reaming knife instead)
1. Insert `insert` part and screw with `nut` from inside
1. Now you can easily fit and remove for refill cap with killing agent.