Ruler

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="100"
    height="100"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1=".047"
        x2="512.54"
        y1="257.62"
        y2="257.62"
        gradientTransform="matrix(.999 0 0 -.999 -.047 513.371)"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#00f2fe" />
        <stop offset=".021" stop-color="#03effe" />
        <stop offset=".293" stop-color="#24d2fe" />
        <stop offset=".554" stop-color="#3cbdfe" />
        <stop offset=".796" stop-color="#4ab0fe" />
        <stop offset="1" stop-color="#4facfe" />
    </linearGradient>
    <path
        d="m491.55 112.287-91.836-91.836c-27.266-27.266-71.632-27.266-98.9 0L221.285 99.98c-.552.446-1.09.921-1.603 1.435a20.313 20.313 0 0 0-1.435 1.603L20.449 300.816c-27.266 27.267-27.266 71.633 0 98.9l91.836 91.836c13.632 13.632 31.532 20.446 49.44 20.446 17.914 0 35.837-6.824 49.484-20.472l176.83-177.464c7.789-7.816 7.767-20.468-.051-28.257-7.816-7.789-20.468-7.767-28.257.051L182.928 463.294c-11.686 11.686-30.699 11.685-42.385 0l-91.836-91.836c-11.686-11.686-11.686-30.699 0-42.385l14.438-14.438 33.908 33.908a19.917 19.917 0 0 0 14.128 5.852 19.917 19.917 0 0 0 14.128-5.852c7.803-7.803 7.803-20.454 0-28.257l-33.908-33.909 29.595-29.594 62.299 62.299a19.917 19.917 0 0 0 14.128 5.852 19.917 19.917 0 0 0 14.128-5.852c7.803-7.803 7.803-20.454 0-28.257l-62.299-62.299 28.012-28.012 34.19 34.19a19.917 19.917 0 0 0 14.128 5.852 19.917 19.917 0 0 0 14.128-5.852c7.803-7.803 7.803-20.454 0-28.257l-34.19-34.19 28.373-28.373 62.081 62.081a19.917 19.917 0 0 0 14.128 5.852 19.917 19.917 0 0 0 14.128-5.852c7.803-7.803 7.803-20.454 0-28.257l-62.081-62.081 29.533-29.533 34.057 34.058a19.915 19.915 0 0 0 14.128 5.852 19.919 19.919 0 0 0 14.128-5.852c7.803-7.803 7.803-20.454 0-28.257l-34.057-34.058 9.13-9.13c11.686-11.686 30.699-11.686 42.385 0l91.836 91.836c11.686 11.686 11.686 30.699 0 42.385l-34.966 34.966c-7.803 7.803-7.803 20.454 0 28.257 7.803 7.802 20.454 7.803 28.257 0l34.966-34.966c27.27-27.266 27.27-71.632.004-98.898z"
        fill="url(#a)"
    />
</svg>