Boeing used to use a Nitto tape, till the cost cutters came in and stopped it. Its a yellow tape that is just wierd but works for perfect paint edges.

1941 Taylorcraft
1968 Charger
1994 Wrangler
1998 Wrangler
2008 Kia Rio
2017 Jetta

I didn't do 4 years and 9 months of Graduate School to be called Mister!