This style of 3D chart is not supported natively but is pretty easy to achieve - especially as all the source code is below and you can just copy it!
This goes in the documents header:<script src="RGraph.common.core.js"></script> <script src="RGraph.bar.js"></script>Put this where you want the chart to show up:
<canvas id="cvs" width="650" height="300"> [No canvas support] </canvas>This is the code that generates the chart: