Free with trial Hand-drawn contour shapes echoing tree rings and natural growth lines. Light, modern, elegant background perfect for design templates and geometric layouts. Echoing vectors Organic Wood Grain Ring Pattern with Gentle Line Texture. Hand-drawn contour shapes echoing tree rings and natural growth lines. Light, modern, elegant. Hand-drawn contour shapes echoing tree rings and natural growth lines. Light, modern, elegant background perfect for design templates and geometric layouts.