I needed this idea the other day, but I can't remember what for. :P How to Build an Easy Glass Bottle Cutter made up of Common Parts DIY Project - The Homestead Survival - Homesteading Re Purposing Tool
Drilling stone buttons ~ Used a much less expensive bit, rather than a diamond bit. The Hi Power Bit (for metal, wood & plastic) was successful. Stated the larger masonry bit blew out the back and the front hole entries were also messy.