You can see on the second panel the outline and the randomised light rust application left by the sponge.
You can use smaller pieces of sponge to apply to smaller areas or to work on smaller rust spots.
Proto48 Modelers brings you the best resources, news and information about our hobby.
Writing History - Making Models - Other Stuff
For people who love to Read & Share
A journey through the hobby, by Trevor Marshall
It's about the books I'm reading or have just read
the development of a model railway