The Finnish Map

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    svg { width:100%; height: 100% }
  </style>
</head>

<body>
  <script>
    // Feel free to change or delete any of the code you see!
    
			//Width and height
			var w = 500;
			var h = 300;
			//Define default path generator
			var path = d3.geo.path();
			//Create SVG element
			var svg = d3.select("body")
						.append("svg")
						.attr("width", w)
						.attr("height", h);
    
   	 var projection = d3.geo.transverseMercator()
     		.scale(1)
     		.translate([0,0])
     		.rotate([1, 0, -45]);
	
    
			//Load in GeoJSON data
			d3.json("finland.json", function(json) {
				
				//Bind data and create one path per GeoJSON feature
				svg.selectAll("path")
				   .data(json.features)
				   .enter()
				   .append("path")
				   .attr("d", path);
		
			});
    
  </script>
</body>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js