Protractor Half Circle black outline icon
Half-circle protractor tilted on its straight edge with degree tick marks along the curve
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About the Protractor Half Circle black outline icon
A semicircular protractor is shown tilted on its straight edge, with short degree tick marks spaced around the curved rim and an inner arc marking the reading window. It represents angle measurement, geometry and technical drawing. Use it for math and geometry lessons, e-learning course cards, school supply shops, CAD and design tool palettes, and engineering or architecture presentations.
The diagonal placement fills the square frame better than a flat semicircle would and keeps the tick marks evenly visible along the arc. It groups well with ruler, compass, set square and pencil icons in a stationery set. Use 32 px or larger so the degree marks read as a scale instead of noise.
This is the black outline version of the protractor half circle icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
