Instructions [Sliders] --> Adjust the stage variables to customize the 3D vortex in real time. Controls Guide Angle Step --> Changes the twist tightness of the spiral. Color Shift --> Adjusts how fast the rainbow gradient cycles (set to 0 for a solid color). Size Shrink --> Controls how quickly the squares shrink toward the center. Spin Speed --> Changes the continuous rotation speed (set to 0 to freeze the view).
