Concept: This lesson is designed using Adobe Photoshop where you need to remember two things. You have to create the texture of plastic and then you create the shape of button. For plastic you will be using different combinations of filters and for button shape you will use layers styles and its different options. You can experiment with the filters as well as shapes but texture must look like a real plastic.

1. Create a new file. Create a new layer. Draw circle using Elliptical Marquee Tool and fill with the dark color. Deselect with CTRL + D

2. Filter > Noise > Add Noise

(Amount: 7, Uniform, Monochromatic)

3. Filter > Artistic > Watercolor

(Brush Details: 14, Shadow Intensity: 0, Texture: 3)

4. Layer > Layer Style > Bevel and Emboss

(Inner bevel, Size: 16)

Check Contour. Change the element to Cone

Select Drop Shadow also.