Cant tell if your being serious, but ill humor you
1. Design sticker in vector graphic program
2. Bring design into plotting program
3. Have the machiene cut out the sticker
4. Peel away excess and "middle" things, inside of O's for example
5. Cover sticker with masking tape like stuff, dont know exact name
6. Cut out sticker and masking tape
7. Apply by peeling back of sticker off so it is stuck to the masking tape, then pressing onto desired surface, and removing masking tape
Thats how ive always made em