Not that I would ever attempt such a thing.... but did you have to build the paint up by layers, or is that all in one go?
Might you open a repair business?
My first idea and attempt was to build up the paint in layers by brushing it in the area where the paint was missing but it wasn’t working as the the thickness of the good paint around the damage was too much so I sanded it all back down
Then I bought some high build primer spray, masked the damaged area and sprayed several layers in 20 minute intervals as the instructions on the can
This worked superbly
Then sanded the areas smooth using 1500 grit and then 2500 grit with water
Let it dry overnight and then remasked and used my aerosol spray for the top coat - this was rubbish - the paint was too thick, no control and I got bad orange peel so I took all the masking off again, let it dry overnight and sanded it all back again using 1500 and 2500 grit
Used a tin of paint I had mixed up from The Grove Group who got a camera on the car a while ago, thinned it down to the consistency of milk and put it in my Astek modelling airbrush. No masking this time as I had a fine spray and wanted to blend in the area
One coat with the airbrush as it looked perfect
The small run has shrunk overnight so I’m going to leave it, I don’t think I can improve on the finish
I’ll let it harden over the next few days and then lightly polish the area with Meguairs Ultimate Polish
I won’t wax it for a while but just use a detailer spray as I normally do after a run out