diff --git a/README.md b/README.md
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@@ -247,7 +247,7 @@ Creative coding is a different discipline than programming systems in which the
 - [Sun and Black Cat](http://sunandblackcat.com/other.php?l=eng) - Articles on shaders and other computer graphics related topics.
 - [Writing a small software renderer](http://blog.simonrodriguez.fr/articles/18-02-2017_writing_a_small_software_renderer.html) - Really good introduction to how basic software rendering works.
 - [WebGL Tutorials](http://www.webgltutorials.org/) - Website with a really good collection of WebGL tutorials.
-
+- [Generating Geometry: 1](http://codepen.io/mcdorli/post/generating-geometry-part-1-basics), [2](http://codepen.io/mcdorli/post/generating-geometry-part-2-going-3d), [3](http://codepen.io/mcdorli/post/generating-geometry-part-3-getting-spherical) - Beginner introduction on how to create geometry object. 
 
 #### Canvas