Free Online Sketch Workshop

  • Learn to sketch for free
  • Improve your skills, step by step
  • You can start the workshop anytime
Why is this free?

I strongly believe that anyone on any budget should have access to sketch education. As long as I can afford it, I will offer this free online course.

Adding colors in two layers

Adding colors in two layers

A lot of times I only apply one layer of colors in my sketches. When I have more time I like to add a second layer after my first watercolor layer has dried. I love it when you can see a layer underneath a transparent layer of watercolors. To me it is one of the...

read more


Print your own
watercolour swatch card template

Register for my newsletter and receive the free template in your email in minutes.





About Ruud

Ruud Otten is a sketch and watercolour artist. He has been drawing almost his entire life.

Next to creating art, Ruud has founded the national Urban Sketchers Netherlands group and was co-organiser of the 10th International Urban Sketchers Symposium 2019 in Amsterdam.


Most pieces of art on this website can be yours. I can deliver museum quality fine art prints to your house.
All art prints are produced ‘in-house’ using the highest quality archival giclee inks.
Contact me about pricing and your order request. I am also available for commissioned work and workshops. Get in touch for inquiries.