Airbrush modellers talked a lot about the need to prime your models before you start painting. So I did this simple test: two plastic spoons were primed with Vallejo Surface Primer black (left and right); the difference is the dilution with airbrush thinner. The left spoon 50 primer/50 thinner, while the one on the right 60 primer / 40 thinner. Priming the Test Spoons The brown spoon was not primed and was airbrushed with Vallejo Model Air hull red. Primed spoons “Scratch my Back” Test One of the primed spoons – the 60/40 one was sprayed with Vallejo hull red … Continue reading Weathering 101: Always Prime Your Models