Here's a little tutorial on how I did my Necromunda bases. The idea I had in my head for the bases was that the gang is exploring an industrial area that had previously been flooded and rust got everywhere.
- The handy Vallejo Mecha washes in Black, Rust Texture, Dark Rust, Light Rust, and Oiled Earth.
- A light color to paint the base in, and in my case it's the Vostroyan vehicle color I mixed up from a few P3 colors.
- Black paint to do the paint chipping with.
- A bit of sponge and some locking tweezers or hemostat to hold it with. You don't really need something that locks, but it makes it so much easier on the hand.
- A primed Necromunda base
- Not pictured: a hair dryer to greatly speed up the drying time of the washes which gets this done faster but also helps to keep tide marks from forming.
- Also not pictured: Matte varnish or a matte mixing medium
1) Paint the base!
Since this will be heavily weathered the coverage doesn't have to be perfect, especially in the lower recesses.
Hold the sponge in the tweezers, dip it into some paint straight from the jar, and similar to drybrushing you will dab off most of it on a paper towel until it barely leaves any marks. I will usually test it on a fingernail at that point to see if it's good or if I need to add or remove more paint from the sponge.
When it comes to any weathering, you need to think logically about where it would happen on the vehicle, figure base etc, but it's most important with paint chipping. I've see a lot of paint chipping out there on anything from scale tanks and other AFVs to sci-fi and fantasy models, and when there's a ton of chipping in a place that it wouldn't normally be it instantly breaks the illusion for me. On these bases specifically, the edges of the highest raised sections are where you want to focus, with corners being a prime target for a little heavier action with the sponge.
If you happen to overdo it in a particular area, you can use a fine tipped brush or another piece of sponge with the base color to take some of the chips away.
I mix Rust Texture and Oiled Earth about 2:1 to loosen up the Rust Texture a bit and get it to spread easier and then paint it into the lowest recesses where all the dirt and grime would accumulate the most. If you get a little outside the lines, don't worry about it too much.
4) Rust Phase 1
Now I take the Light Rust and thin it down a bit and begin to use my two-brush method with these washes; a smaller brush loaded with the wash and a larger brush that's clean and slightly damp. These Mecha washes are more forgiving than any other acrylic washes I've ever used, meaning you have a couple of seconds of working time after you lay down the wash with the first brush and then you quickly swap to the clean one to move it around where you want or to clean up any mistakes.
With these 'Munda bases, there's 3 layers of height to them and I mostly concentrate on the second layer, painting the wash into the corners and along edges where it would accumulate. For the top layer, I apply some wash across the area and then immediately wipe my thumb across it to remove most of the wash but leaving some streaks behind creating an effect that I haven't been able to duplicate with a brush. For the low spots that almost look like ladder rungs, I do the same thing but use the damp brush to remove small sections of the wash. Any depressions or holes, like these that appear to have bolts or something in them, get some love too.
5) Rust Phase 2
Now I switch to the Dark Rust and mostly just repeat what I did in the previous step, again, concentrating on corners and along edges.
6) Rust Phase 3)
Now I mix Dark Rust and Oiled Earth 1:1 and add some matte varnish (or mixing medium - something to break the surface tension) so it doesn't stick to the walls and corners and begin using the tip of the brush to place little blotches of wash in various areas with the intention of creating darker spots and some harder edges almost like tide marks.
7) Rust Phase 4
Now I mix Dark Rust with the Black Wash 3:1 and some matte varnish and repeat the previous step of using the tip of the brush to add little points of visual interest.
When I was done with that, I added a little more black to what was left of the wash mix and hit a few corners and edges harder than I had previously to add more contrast.
And you're done! Clean up the outside of the base with black or whatever color you might paint the base sides with and you're ready to mount a figure on top.