Cant tell if your being serious, but ill humor you
1. Design sticker in vector graphic program2. Bring design into plotting program3. Have the machiene cut out the sticker4. Peel away excess and "middle" things, inside of O's for example5. Cover sticker with masking tape like stuff, dont know exact name6. Cut out sticker and masking tape7. 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