Understand how sinkholes work and learn how to create a fun mass of organic tangles.


Intermediate 1:40 hour video plus bonus PDFs


Includes video captions!



Understand the difference between a sinkhole and a sphere



Your Instructor: Eni Oken

I'm Eni Oken, artist since the age of 8, art instructor and teacher for over 30 years, author of hundreds of articles, tutorials, video lessons and ebooks online and books in print on various different subjects such as fantasy design, jewelry making and in recent years, Zentangle method. My true passion is exploring methods and tools on how a person can create something remarkable in art, and teaching it to others so they can grow artistically.

CZT® since 2016

Contact Eni • See Eni Oken's Art





A fun, intuitive lesson showing how to create organic forms using Prestwood and Wartz tangles




Shading and foreshortening together transform your art

Understand shading and reflected light



Another fabulous class! A masterclass in Eni style shading. Wow - I particularly love the transformation from line art to finished shaded tile. Thanks Eni.

Michelle Dugdale via Teachable

A great exercise in intuitiveness and shading!

You won’t believe you could create pictures like these!