light bulb in continuous line drawing. sketchy idea concept. outline simple artwork with editable stroke.

background brainstorm brainstorming bright bulb businessmetaphor concept conceptual continuous continuousline contourline creative creatives decision design doodle drawing eco ecology editable electric electrical electricity energy environment findingsolution graphic handdrawn icon idea illustration innovation isolated lamp light lightbulb line linear lineart making minimalistic outline power presentation simplicity singleline sketch stroke technology trendy vector