Lightbulb Illustration - Creative Idea Symbol for Websites & Presentations #3508124 (License: Personal Use)

This stylized illustration features a classic incandescent bulb with a hand-drawn outline, a zigzag filament, and a warm yellow glow emanating from the glass. The base is rendered in gray with textured threading, giving it a tactile, sketchbook feel. Its playful yet clear design makes it ideal for conveying concepts like brainstorming, invention, or problem-solving.

Commonly used on landing pages, blog headers, or educational materials to symbolize creativity, insight, or new solutions; aligns with user intent seeking visual metaphors for innovation or learning.