The Custom Combat Drone Colors for Engineer bundle has over 30 presets for you to choose from. It's a great way to make sure that your drone looks awesome no matter what setting you choose.

The Inverted series includes all presets with an inverted color. This is meant to be used for light backgrounds or when the color of your surroundings is very dull.

The Fun series includes all presets with a fun color. This is meant to be used for bright and colorful settings.

It is important to note that these are not official presets from the game. They are made by fans and are released under a free license.