Protractor color outline icon
Protractor icon showing a semicircular degree scale resting on a ruled straight edge
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About the Protractor color outline icon
A half-circle protractor shows an inner arc and an outer arc separated by radial degree marks at the main angle steps, resting on a rectangular ruler base lined with measurement ticks. The combination reads as angles, measurement and precision drawing, making it a fit for math e-learning modules, geometry quiz apps, school supply shops, architecture and drafting toolbars, and engineering presentations.
The outer semicircle and the smaller concentric arc leave a clean band for the tick marks, while the base bar extends past the curve on both sides to anchor the shape. It sits well next to ruler, compass, set square and pencil icons. Keep it at 32 px or larger, otherwise the closely spaced ticks merge into a solid band.
This is the colour outline version of the protractor icon: the same line drawing in an accent colour, useful for highlighting a state, a category or a brand tone without adding visual weight.
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.
