Bottle cutting with a Dremel or wetsaw

This video shows some of the easier ways to cut a glass bottle. The equipment necessary is not as far out of reach as you might think- and in fact, with a little ingenuity, you can do it with just a simple Dremel. For reaching farther down the bottle and still maintaining a perpendicular cut, consider using an extension to avoid having to make two cuts.
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For more about my wet-saw:
https://www.youtube.com/watch?v=rIR8lQHP2eE
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About the rotary tool jig:
This was based upon a jig by John Heisz, which was designed for sharpening bandsaw blades. Here's a link to one of my videos, which shows some of the jig's construction (at just after 8 minutes). Follow the description there to find John's design:
https://www.youtube.com/watch?v=hH90Ak3xDNw
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Видео Bottle cutting with a Dremel or wetsaw канала pocket83