Implement two-dimensional Funnel series type for WPF / Silverlight. Available in R3 2017 Official Release Version.
RadChart should support 3D Surface Series Type. This feature is now available as part of the ChartView control since R3 2016 Official release. Refer to the link below for more information. http://docs.telerik.com/devtools/wpf/controls/radchartview3d/series/surfaceseries3d.html