Octagon black outline icon
Outline icon of a plain eight-sided octagon shape
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About the Octagon black outline icon
This icon shows a plain octagon outlined with eight equal sides and vertices, with no color fill or added elements. Its geometric symmetry makes it useful as a stop-sign silhouette, a badge or button frame, a chart or diagram node, a pattern tile, or a placeholder shape in wireframes and geometry teaching materials.
The shape uses a consistent thin stroke with sharp corners and equal side lengths, sitting neatly inside a square canvas. It pairs well with other polygon icons like hexagon, pentagon, and square. Scale it freely without distortion for badges or icon grids.
This is the black outline version of the octagon icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Download it free as a scalable SVG vector or transparent-background PNG in seven sizes (16 to 512px), copy the SVG code straight into your project, or open it in the free online editor to change colors, apply gold, silver, neon and gradient styles, animate it, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
