These amazing devices are capable of drilling, sanding ... Can you use a rotary tool to cut glass? Yes, you just need special bits or cutting wheels. Many manufacturers produce diamond-embedded ...
What about cuts that are impossible with a normal glass cutter, like radiused corners ... All you need is a diamond burr or glass drilling bit, high speeds, low feeds, and lots and lots of coolant.
Drilling a hole through glass is ... it outside or in a garage or workshop. Also, remember glass is likely to flake off ...