This step by step tutorial of How to Cut a Glass Bottle with Yarn and a Lighter is a done without special equipment or a lot of effort. You may have to try repeatedly to get a clean break because it is not as precise as using a glass cutter. Cutting glass is obviously dangerous, so whatever method you choose, protect yourself with gloves, goggles, and a mask.
There are many ways to repurpose used bottles into colored glass cups, vases, pedant glass light shades, hurricane candle light covers, self watering window garden container and glass rings for wind chimes.
If you would like to make a more precise glass cutting tool, click here.
Click here to read How to Cut a Glass Bottle with Yarn and a Lighter: