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Quick & Dirty: A Beginner's Journey Through Weathering an Armour Model

As a beginning modeler, I browse the innumerable model galleries on the internet and marvel at the quality of others' work - particularly the realistic weathering applied. I aspire to such a high standard, yet know that those models are generally a result of years of practice, hard work, patience, and considerable amounts of trial and error. Such a realization can be daunting, as most beginners can attest - we want results now! But I see modeling as a potential life-long hobby, so I committed myself to diving in and trying things out. As they say, "The journey of a thousand miles begins with a single step."

The biggest advantage a beginner has today is the internet. The amount of information contained in newsgroups, web sites, and forums is voluminous and easily accessible. Modelers seem to be a friendly, helpful bunch by nature, and willingly share all sorts of hints and tips - knowledge that previously would have had to been discovered on one's own.

The pitfall to having all this data is information overload. When a beginner finds 10 different techniques to simulate chipped paint, and 5 of them contain conflicting info, it can be overwhelming. This article will chronicle my journey through my first model, in an attempt to guide other beginners with "what worked for me." My subject was the Tamiya Marder III, though the techniques aren't restricted to German WWII armor. The techniques I describe here were chosen for the following reasons: they provided the results I desired, without requiring huge amounts of time and advanced skills or equipment. I certainly don't claim to have devised any of these methods on my own. Instead, consider the following as a novice's summary of worthwhile techniques.


Chipped Paint


My Marder was to represent a vehicle ravaged by the harsh elements of the desert. The top coat of dunkelgelb should be worn through to expose the underlying color - in this case, panzer grey. Rhodes Williams describes a technique (http://rhodesawilliams.com/rhodestiger.htm) used on his spectacular Tunisian Tiger, which I based my work on. His procedure has more complexity to it (involving shading with an airbrush), so I simplified it for my purposes since I had no airbrush.
Step 1: Apply the base color over the entire model. I brushed on Tamiya German Grey. Let this dry well, or the next two steps will be messy. I waited at least 24 hours before proceeding.
Step 2: Apply a masking agent wherever you want to depict chipping. I used Grumbacher Miskit (purchased at my local Michael's store), applied with a Microbrush (a plastic brush with nylon bristles - comes in a pack of 10 for about US$2.00). Before starting, I hacked up the brush so the bristles were a variety of lengths. This helps with the randomness when applying the Miskit. I used a stippling motion when applying rather than a brushing motion, because it left a rougher edge, more closely resembling the way paint chips away. The Miskit dries within a few minutes, and you can move on to the next step quickly. Warning! Apparently Miskit dries very hard after 24 hours or so, so be sure to perform steps 2-4 within 24 hours!
Step 3: Paint the top coat (I used Tamiya Dark Yellow from a spray can). Two to three thin coats gave me nice coverage, and dried in a short amount of time.
Step 4: Remove the Miskit. Pull on a latex surgical glove and rub the areas where you applied the Miskit. Hopefully you remembered all the spots, but if not, you should be able to see its rough surface through your topcoat. The Miskit should peel up with little effort, taking the topcoat with it, and exposing the base coat. On my Marder, this step took about 30 minutes for the entire hull assembly.


Washes


The purpose of a wash is two-fold: to accent details, and to simulate the accumulation of dirt and grime. This step was probably my most stressful, as I read numerous horror stories about people ruining their beautiful paint jobs with a misapplied wash. I read wash techniques utilizing all different types of paints: acrylics, oils, and enamels, and finally chose an enamel-based wash because that's what the instruction sheet recommended. Tamiya wouldn't steer me wrong, would they?

One word of warning, which I can only speculate on: let the paint from previous steps dry thoroughly before starting the wash. Due to a busy schedule, I had a 2-week period where I didn't get much modeling done, so the Marder's paint job had a chance to cure well. I can't say for certain if this break benefited me, but I have read several recommendations by others to allow such a curing time when applying enamels over acrylics. (But then again, the dark yellow Tamiya is actually a lacquer, so who knows? This is one of those cases where I found lots of conflicting information.)

For paint, I chose two or three dirty-colored ModelMaster enamels (Burnt Sienna, Rust, and Raw Umber), and a bottle of MM thinner. In a small mixing cup, I mixed roughly a 3:1 ratio of thinner to paint. As I read somewhere, it should be closer to "dirty thinner" than to "thinned paint." Load up a very fine (I used a #000) brush with the wash, and touch it to an area of your model you wish to "wash." Such areas include panel lines, rivets, raised areas, and any nooks and crannies likely to collect dirt. You generally don't need to "paint" the wash on; capillary action should draw the paint off the brush and flow around the model's details. After a little practice, you'll begin to get a feel for how much wash to load on to the brush for the area you're working on. A rivet demands much less than a panel line, for instance.

Don't apply too much all at once; it's better to apply a couple of thinner, lighter coats. If you find you've applied too much in an area, use a bit of thinner on a rag, Q-Tip, or Microbrush to remove the excess. I completed the washing over a couple of evenings' work, and ultimately found it much easier than I had been led to believe. The results can certainly be dramatic!


Rust


I didn't portray any significant rusty streaks or rusty chips on my Marder, so I'll limit my comments to depicting a rusty muffler. Using a Microbrush, I applied a liberal amount of plastic cement (in my case, Tenax 7R) to the muffler until the plastic softened slightly, then stippled the surface to give it a rough texture. If it gets too rough - as it did for me - wait a few minutes for things to dry and use a fine sanding stick to knock down some of the bigger "roughies." Apply a coat of a rust-colored paint (I used ModelMaster "Rust"). The rough texture should still be visible, even after painting. Once the paint is dry, I applied a liberal amount of pastel chalks, using a Microbrush. I used black, a couple of shades of brown, and a red-orange. Brush some chalk on, then blow any loose chalk off. Repeat this until you achieve the results you desire.


Tracks


Using the same rust-colored paint that I used for the muffler, I completely covered the tracks. After it was dry, I applied a heavy wash of raw umber. This wash had more paint than the mixture I described above, and I applied it using a larger brush. Since tracks are pretty dirty, I slathered the wash on quite heavily.

Take a good look at the next bulldozer you see, and you'll note that the high points of the tracks are shiny metal because of the continual wear. No dirt collects where the metal meets the road! To accomplish this look, a technique called dry-brushing is used. I armed myself with the following: a flat, wide brush; ModelMaster "Steel" paint; and a piece of paper towel. Get some paint on the brush, then brush most of it off on the paper towel. When only a trace remains, brush it across the tracks. What little paint remains on the brush will collect on the raised details. The goal is to slowly build up this metallic sheen, so it will likely take several repetitions to achieve the look you desire. A final dusting of pastel chalks gives the tracks that well-worn, dusty appearance (see next step for more detail on chalking).


Chalking


The final step in my weathering journey was an application of pastel chalks. I am fortunate to have a "crafty" wife who had a large palette of such chalks, including numerous earth tones. My purpose in using the chalks was to provide some variation in color, and to portray another layer of dust on the vehicle. Because I don't have an airbrush, I was somewhat limited during the painting process in the types of shading/lightening I could do. I've read many articles instructing to "shoot a fine layer of Tamiya Buff over the entire model" with an airbrush to provide a faded or dusty look to the model. Well, that's pretty hard to do with a paintbrush, so I attempted to use pastels to simulate the effect.

I applied the chalk in two different ways. If I needed a very small amount, I would simply take a paintbrush and rub it across the chalk to collect a bit on my brush. If more chalk was needed, I would scrape some out of the container using a hobby knife into a small pile. Doing this also enabled me to mix colors to achieve the tone I liked. I applied the chalk to heavily worn areas, and anyplace likely to collect dirt. With a mix of lighter chalks, I brushed over the areas that would be exposed to the sun, to simulate faded paint.


Conclusion


So many modelling articles assume some prior level of knowledge that they can be difficult for beginners to follow. Writing as a novice myself, I hope to have removed such barriers while summarizing a variety of methods that worked for me. I hope that other beginners will be inspired to try any or all of the methods on their next kit.