Dremel diamond cutting wheel for glass. Don't blow yourself up with that crazy string and acetone trick. Much safer and ten times more effecient and reliable.
The Happy Tulip: How to Make a DIY Glass Lamp (And Why Diamonds Really Are a Girl's Best Friend) **Trick to drilling glass
Learn 30 Second Wine Bottle Cutting
Glass cutting with only yarn and fingernail polish remover - Wrap the cotton yarn around your bottle times, tie and cut ends. Slide yarn off of the bottle, dip in nail polish remover and slide the wet yarn back onto the bottle and light on fire
What do those Dremel bits do? Well I’ll tell ya!
Fine Furniture And How To Make It With Your Woodworking Tools
How to Cut a Wine Bottle into a Candle Hurricane
Make a score line, slowly dribble hot water along it, immediately submerge the wine bottle in cold water, and CRACK - the bottom should pop right off!