Easy way to paint stripes: use ODD number of stripes so top and bottom are existing room color, make stripes in even inch (or mm) increments, and use the bottom stripe to soak up the odd bits of measurements.
Honey We're Home: How to Paint Perfect Wide Stripes..... Would love this!!!
Tutorial- How to paint perfect stripes, even on textured walls Black and White Striped Wall
Decorating Cents: Painting A Striped Wall. Love the accent wall and mostly gray look
Horizontal stripes can easily make a small room appear bigger. Black
Tutorial: How to Paint Horizontal Stripes On A Wall | 11 Magnolia Lane
The COOLEST stripes! Love this colour!
Painting ideas | Horizontal Stripes on Walls, 15 Modern Interior Decorating and Painting Ideas
How To Determine Stripe Width + Tips and Tricks for painting straight, crisp, perfect stripes
Tone on Tone Wall Stripe Tutorial - my stripe addiction continues