Loopable animation of a 4K chroma key geometric shape pulsing from square to circle

alpha animated simple shape chroma key mask circle square design geometry editing loopable motion template transition transformation square peg round hole geometric illustration change adaption flexibility resilience two dimensional thinking outside the box concept icon alpha channel design element contained loading icon preloader animation in progress changing form evolve progress mathematics video editing masks vector tilt turn green screen basic pulse biological robots nanotechnology mutation