Interested in experimenting with your own multi-color filament? [Turbo_SunShine] says to just print your own, and experiment away! Now, if you’re thinking that 3D printing some filament sound… ...

OctopusEffects, #Blender This is a Blender tutorial. Produces two smoke streams of different colors in the same smoke domain.

To create a dual-color circle, you'll need a few tricks up your sleeve because PowerPoint doesn't have a semi-circle shape. Learn two ways to create semi-circles, so you can combine them.

An object’s color appears differently under different lighting and against different backgrounds − for different viewers. But that doesn’t mean colors are subjective.

Also, our brain interprets color in a relative way. We compare the color of one object with others in the field of vision. If the sky looks blue, that could also make the sun look yellower.