I think I would vary the heights of the different colors, like doing an ombre balayage
Checkerboard Cake Decorating Technique - 17 Amazing Cake Decorating Ideas, Tips and Tricks That’ll Make You A Pro
Learn these simple techniques for cake decorating! Use Tip 1M to pipe roses, Tip 1A to make pulled dots, and Tip 4B to pipe peaks or shell borders. - From thegirlinspired.com
How to do brush emroidery on cookies. Can also be done on cakes, cupcakes, fondant, gum paste, etc. All you need is thin consistency icing and a flat brush.
Amazing way to save piping bags!!! https://www.youtube.com/user/thedomesticgeek1
DIY Ombre Cake Technique with Airbrush and Makeup Sponge - 17 Amazing Cake Decorating Ideas, Tips and Tricks That’ll Make You A Pro
Cake decorating - Awesome place to see techniques
how to create a super simple quilted effect cake. No measuring, no rulers or guides just one simple hack to create a quilted cake
Four simple but stunning cake decorating techniques!
How to create a Climbing Leaf Border