This is a quick tutorial that explains all the process to make this composition. We´re going to see how to make the model, materials, lighting, render parameters and finishing the image with Photoshop.
Modelling the bodywork:
This model has the minimun polys possible and a “Mesh Smooth” modifier applied to smooth the surface. To start, I put reference pictures of the car in the scene. In this case, In the first place, I modelled the right part of the car in plane. I did it extruding edges. After that, I moved vertex to set up the volume. When I finished this, I started with the back side of the car in the same way. The complete process can be seen in this animated image.
Tips:
1- To obtain soft edges, you have to “Chamfer” this edge. If you don´t make this, the meshsmooth modifier will smooth this part.
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2 - To obtain sharp edges, I work with “Smoothing Groups”. You have to give one “Smoothing Group” to one face an another different to the other. And don´t forget to active the “Smoothing Groups” switch in “MeshSmooth” modifier..
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3 - To obtain hard angles, you have to “Chamfer” the edge or vertex of this angle. If you don´t do this, this angle will be curved in the “Mesh Smooth” modifier.
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Modelling the tires:
1 - Use a picture to reference. Extrude the faces to make a segment of tire.
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2 - Create a cylinder with the same radius of final tire.
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3 - Increase the sides of cylinder until every face measures the same size that the created piece of tire.
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4 - Copy the segment as many times as sides has the cylinder.