fresh block by gka

index.html

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.3/require.min.js"></script> 
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
 
<body>
  <script>
    // Feel free to change or delete any of the code you see in this editor!
    
require(['https://datawrapper.dwcdn.net/assets/d3/d3v4+jetpack.js'], function(d3) {
  
  	console.log(d3);
  
    var svg = d3.select("body").append("svg")
      .attr("width", 700	)
      .attr("height", 700)
    	.append('g').translate([350, 350]);
    

    var spacing = 43,
        radius = 1334,
        theta = Math.PI * (3 - Math.sqrt(5)),
        sites = [];

    for (var i = 0.5, r, a, x, y; (r = spacing * Math.sqrt(i)) < radius; ++i) {
        x = r * Math.cos(a = i * theta);
        //if (-spacing > x || x > width + spacing) continue;
        y = r * Math.sin(a);
       // if (-spacing > y || y > height + spacing) continue;
        sites.push([x, y]);
      	if (sites.length == 35) break;
    }
    
	  svg.appendMany(sites, 'circle')
    	.translate(d3.f())
    	.attr('r',5);
});

//     svg.selectAll
    
  </script>
</body>