Here are PovRay(TM) templates for creating amazing 3D plots (histogram, surface, box&whisker). These are macros in PovRay Scene Description Language (SDL), you have to #include into Your scene, manually or by PovEdit Menu System. Nice renderings!
3DChart, v.2.0, 2010 Edition. Bicubic smoothed surface
3D Surface, v.2.0. Function plot. Bicubically smoothed.
3D Charts, v.2.0. Even more bells and whistles ;)
3D Box&Whiskers Plot
1.Short review of new features implemented in this version
Ancient picture - 3D Surface, surf over it, if you like.