Procedural modeling: L-System Tree

Just sharing my L-system on tree creation. First time I did it in Dynamo (http://dynamobim.org/), around 6 months ago during my internship. This time around I am taking Computer Graphics module, so I did it in OpenGL for my lab assignment, although I only use tapered cylinder and ellipse-based cylinder as per assignment requirement.

Fractal Plant with Python Turtle

As described in http://en.wikipedia.org/wiki/L-system#Example_7:_Fractal_plant.

Here is the result:

The code could be found below from GitHub Gist.