Ox-Eye

Author

Eric W. Weisstein
August 29, 2026

This notebook downloaded from https://mathworld.wolfram.com/notebooks/Laminae/Ox-Eye.nb.

For more information, see Eric's MathWorld entry https://mathworld.wolfram.com/Ox-Eye.html.

©2026 Wolfram Research, Inc. except for portions noted otherwise

Figure

The shaded Babylonian ox-eye is bounded by two one-third-circle arcs; its long and short transversals are shown.

Module[{boundary, centers, fill, neutral},
	centers = {{-1/2, 0}, {1/2, 0}};
	boundary = Join[
		({-1/2, 0} + {Cos[#], Sin[#]} &) /@ Subdivide[-Pi/3, Pi/3, 80],
		({1/2, 0} + {Cos[#], Sin[#]} &) /@ Subdivide[2 Pi/3, 4 Pi/3, 80]
	];
	fill = RGBColor[0.88, 0.42, 0.16];
	neutral = LightDarkSwitched[
		Darker[StandardGray, 0.55],
		Lighter[StandardGray, 0.55]
	];
	Graphics[{
		{neutral, AbsoluteThickness[2], Circle[#, 1] & /@ centers},
		{FaceForm[fill], EdgeForm[], Polygon[boundary]},
		{neutral, AbsoluteThickness[1.5], Line[{{0, -Sqrt[3]/2}, {0, Sqrt[3]/2}}]},
		{neutral, AbsoluteThickness[1.5], Line[{{-1/2, 0}, {1/2, 0}}]},
		{neutral, AbsoluteThickness[3], Line[Append[boundary, First[boundary]]]} 
	}]
]