A mix of isometric and word cloud "treemaps".
xxxxxxxxxx
<html>
<head>
<meta charset="utf-8">
<title>Isometric Word Cloud</title>
<link type="text/css" href="index.css" rel="stylesheet"/>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="randstring.js"></script>
</head>
<body>
<svg width="960px" height="500px"></svg>
<script src="index.js"></script>
</body>
</html>
Modified http://d3js.org/d3.v3.min.js to a secure url
https://d3js.org/d3.v3.min.js