Here is a list of all official Zentangle® patterns with links to their respective step-by-step and Youtube tutorials. There are also keyword descriptions of each pattern to make it easier to quickly search the list.
Easy Way to Draw Zentangle Patterns Draw a light square border around the edges of a paper with a pencil. Sketch a simple shape, like a star or flower. Fill the shape with any patterns you'd like. You may add wavy lines or a checkered board pattern—don’t overthink it, have fun!