How to cut a bottle an easy way from 12 volts

In order to separate the glass bottle, you will need a piece of nichrome wire and a 12 volt adapter. To make the edge smooth, you need to press it to the glass surface by pulling it a little by the edges, when heated, nichrome can stretch a little, so a lot of effort is not required. After heating for a minute, the bottle must be immersed in water, where it will fall into two halves.

The resulting halves can be used for various crafts, the main thing is to carefully process the sharp edge.