Your favorite bottle has the built-in cylinder shape of a water glass.
Whether you admire the graceful arc in the thumbhold under your favorite wine bottle, or just want a way to reuse (or disguise) that growing pile of wine bottles you can't bring yourself to throw out, making a water glass may be the answer.
Instructions
1. Prep your empty bottles by removing labels, washing and drying.
2. A soft, beeswax toilet ring can hold the bottle in place on the turntable.
Prepare electric turntable by building up a base on it out of beeswax, children's toy putty or similar flexible material that will cover the center nipple and hold the bottle base in place while it rotates.
3. Cover the beeswax with plastic wrap so the bottle can be centered but won't stick.
4. An electric turntable keeps a consistent speed for even flame-cutting.
Center a clean bottle upright on the turntable. Press the bottle down into the plastic-covered ring to create a depression that will hold bottle centered during the slow-speed rotation (stick to 33 - 1/3 speed). If you find it needs more stability, remove the plastic wrap and press the bottle directly into wax.
5. Some sort of clip or "third hand" device holds the torch steady and close to the bottle.
Using a jeweler's "third hand" or similar pedestal clip, suspend the micro-torch so its flame is 1 inch or less from the bottle and is at 4 inches high for a tumbler or 8 inches for a tall glass. (Practice the flame distance on a few extra bottles first to get the optimum speed for no breakage.) Using a freestanding torch with a long enough nozzle to reach the bottle (while it sits on a stationary surface to the side of the turntable) makes this even easier.
6. This tiny torch has a simple flip switch to turn on the flame.
Turn on the turntable and then the flame, sit back, and wait for the telltale "pop" that tells you the bottle top and bottom have separated. (Some micro-torches are self-lighting with just a click of the switch; others require you to turn on the gas knob and light with a flame when you hear the gas.) Remove the bottle top and discard.
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