Hand painted Pin Striping is a love and a challenge especially on 15 foot plus lines, I start off this job with no tape down the side of this red Cadillac and just could not keep a consistent distance from the body line.
To fix my problem
I used some green 1/4" painters tape, the adhesive of this tape will not stay on the car after you remove the tape.
Placing the tape line 1/4" higher then were I wanted to stripe the Cadillac, on both sides of the car, note before adding this guide line I made a couple reference points on the front and rear quarter panels to keep both sides symmetrical.
Once the tape was down the hand painted Pinstriping began