<line>

example

code

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500">

    <title>5x5 grid</title>

    <!-- vertical lines -->
		<line stroke="#000000" x1="0" y1="0" x2="0" y2="500" />
		<line stroke="#000000" x1="100" y1="0" x2="100" y2="500" />
		<line stroke="#000000" x1="200" y1="0" x2="200" y2="500" />
		<line stroke="#000000" x1="300" y1="0" x2="300" y2="500" />
		<line stroke="#000000" x1="400" y1="0" x2="400" y2="500" />
		<line stroke="#000000" x1="500" y1="0" x2="500" y2="500" />
		
    <!-- horizontal lines -->
    <line stroke="#000000" x1="0" y1="0" x2="500" y2="0" />
		<line stroke="#000000" x1="0" y1="100" x2="500" y2="100" />
		<line stroke="#000000" x1="0" y1="200" x2="500" y2="200" />
		<line stroke="#000000" x1="0" y1="300" x2="500" y2="300" />
		<line stroke="#000000" x1="0" y1="400" x2="500" y2="400" />
		<line stroke="#000000" x1="0" y1="500" x2="500" y2="500" />
		
</svg>

Result

5x5 Grid

notes