Wanted to put a primer coat on my 1/72 Mosquito last night, and this is what happened, not sure how it happened. I’m a beginner airbrusher. Maybe the airbrush wasn’t cleaned enough?
It appears to me that your primer paint was not thinned enough. I suggest sanding the model lightly and applying another coat of primer.
It looks to me like something wasn’t compatible. What primer and thinner did you use? I notice the bottom of the fuselage is shiny. Primer is normally flat.
Don