Tell us about yourself!
Rotozips don't just cut drywall. They are also great for cutting plastics, fiberglass, aluminum sheet, laminates, wood, and even tile with the right bit. It's a dusty job with drywall though. For non drywall, use a wood, plastics, and siding bit, counterclockwise..
The lipstick idea is so simple, it's near genius. It's readily available and can be used for other projects that require pattern transfers. I'm gonna look funny buying lipstick at Walgreens, but I don't care.