This new topic we'll see how to picture a car in retro style and represent its shadow.

Open first a new file: File – New (ctrl+n) and paint the layer in white, choosing the Paint Bucket Tool. Then create a new layer, using the icon in the Layers window and represent the contours of the car to be.

drawing retro car in adobe Photoshop cs

Create now another new layer and make use of the Pen Tool with the command Stroke Path to represent very accurate contours.

drawing retro car in adobe Photoshop cs

Erase now the layer containing the contours by moving it on the recycle icon in the same Layers window.

drawing retro car in adobe Photoshop cs

Now we should paint the car on a new layer, under the contours' layer. Paint it firstly with the
 
main colors by using the Brush Tool and it's better to place each color on a new layer. When representing the shadows, we need to create a new layer and merging it out with the previous one (ctrl+g).

drawing retro car in adobe Photoshop cs

Mark out now turn by turn all the car's details, selecting the Pen Tool with the command Make Selection. Start adding the volume, applying the Gradient Tool.

drawing retro car in adobe Photoshop cs

Introduce also the shadows, but the colors' transition on the edges should be done very smoothly.

drawing retro car in adobe Photoshop cs

And the light:

drawing retro car in adobe Photoshop cs

That is what we get in this moment:

drawing retro car in adobe Photoshop cs