themes/unitexgramlab/css/images/pattern-size3.svg
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="500px" height="500px" viewBox="0 0 500 500" zoomAndPan="disable">
<style type="text/css"><![CDATA[
line {
stroke: rgba(255,255,255,0.075);
stroke-width: 1.25px;
}
]]></style>
<line x1="-450" y1="0" x2="50" y2="500" />
<line x1="-300" y1="0" x2="200" y2="500" />
<line x1="-150" y1="0" x2="350" y2="500" />
<line x1="0" y1="0" x2="500" y2="500" />
<line x1="150" y1="0" x2="650" y2="500" />
<line x1="300" y1="0" x2="800" y2="500" />
<line x1="450" y1="0" x2="950" y2="500" />
</svg>