Prepare a clean, flat, hard surface for cutting glass, such as a sturdy workbench or thick piece of plywood. Just be sure the work surface is rigid; if there’s any flex in it, the glass will ...

If you want to cut thicker porcelain or glass, a better equipped manual cutter will cost around $125. Before you begin, you’ll want first to mark where you want to make your cut.

As the video above shows, what you're basically doing is tying a string in 5 or 6 loops around the bottle, removing that string with the loops intact and soaking it in acetone (nail polish remover ...