https://www.domestika.org/en/courses/1636-concept-sketching-for-architecture-and-design

Learn to create a sketch of an architectural space and bring it to life by adding color, light, and shadow. Creating an architectural concept sketch should be an experience of discovery for the viewer. Industrial designer and illustrator Timo Müller combines digital tools with the organic aspects of analog techniques to create a space that is captivating and visually striking.  In this course, learn how to create a concept sketch that visually communicates the essence of the design of an architectural space. Discover how to bring an illustration to life by adding details, color, light and shadow using both digital and analog mediums.