Heightmap Surface [plug-in] (updated: 2014/Jun/30)

[ggaliens]

With all you have learned ...

I still think you should try making this a Drawing Plugin with a very light #we{ } object that points to a disk based IMAGE or maybe a 1024x1014 in memory JPG ... and draws the polygons at Draw time ... without making the #We object. You could also determine the colors at draw time and write an exporter. Lots of cool things to do to make a bit less of a "toy".

You might also figure out how folks do fractal-ish landscapes at run-time.