For this project, there will be many layered effects & some aggressive weathering steps so a strong primer is critical. Establishing shadow will also be key to the final appearance, for this reason AMMO.MIG-2005 Black Acrylic Primer was used.
In order to create a truly textures rust effects, we will need to assemble some basic tools. A fine grit sand, chipping fluid, sand & gravel fixer, a stiff brush, and our range of acrylic rust tones will be key.
Once we have decided where the heaviest concentrations of textured rust will be, we begin by applying A.MIG-2012 Sand & Gravel Fixer with a brush.
While our fixer is wet, the area is sprinkled with a fine sand. This will be the basis for our textured rust. It is important to work on smaller sections, completing the process by moving from one area of the vehicle to the next and working each section individually.
Once the fixer has dried and the sand is firmly in place, we can use a soft brush to remove any access sand from the surface. This process can be repeated until the desired texture for our rust effect is in place.
Now the vehicle must be prepared for the base color. Translucent layers of acrylic white have been applied to both the highlighted areas of the base color as well as applied to the areas surrounding our textured rust, this will enhance the rust effects much later in the weathering stages. Acrylic Rust Primer A.MIG-2006 has been used to seal in the textured rust as well as establish our initial rust tone.
With acrylic rust tones and a variety of textured sponges at the ready, the textured rust areas are treated to the full range of rust tones to enhance their realism. Variation is created by concentrating darker rust tones towards the lower surfaces, the lighter tones in the AMMO rust set are concentrated on the upper and horizontal surfaces where moisture would collect.
Once we have created a convincing rust effect, it is critical to seal the model's surface for the following steps. In this case, a Lacquer based dull coat was used to protect the previous steps. Once dry, Chipping Fluid has been liberally applied to all of the textured rust surfaces.
Once our Acrylic base color has been applied in thin transparent layers, the entire surface is misted with water to begin activating the Chipping Fluid. A stiff brush damp with water is an effective tool for working the base colors surface to remove color from the textured rust areas.
Now that the process of removing the acrylic chipping fluid is completed, we can see the full range of effects created in the previous steps. With a few simple tools and easy steps, we have created a textured rusty surface rotting through a faded and worn Citroen CV. With these simple steps in place, we have a dynamic and realistic finish to work with as we move into the weathering stages.
By Iain Hamilton
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