mud

Hi guys, I already did 2 Bf109F-kits from ICM in the past (link), although these are cheap kits they can be turned into nice models with a bit of extra work. I still had this one in the stash, it's the R6 version with canons under the wing... Box-art : I would like to make a small dio with...

I have been experimenting. The effect I want is that medium to light grey, mainly dusty deposit rather than gobbets of mud, on many lorry tyres seen on our roads. Here is the exact effect I want (a clip from a recent post): I have tried: 1. Brushing or dabbing on slightly diluted...