For this awesome nail job, you will need a steady hand and three mostly opaque nail polishes. It is suggested that you use a base coat and a top coat as well.
First start with whatever preliminary cleaning and prepping your nails. Apply a base coat if you want.
Start by coating about half of the nail in your first color. Let dry. Stripe the second color at a 45 degree angle upward from left to right. Let dry. Stripe the third color from right to left at a 45 degree angle. Let dry. Repeat the last four steps up the nail until you reach the top of the nail.
Cover with a topcoat if desired.