Explore the play of light and shadow on simple objects like a ... endless possibilities of abstract sketching. Incorporating these diverse and inspiring ideas into your sketching practice can ...

The best tool to start with is just a pencil to get sketching ... tutorial is an easy way to see how a simple shape can ...

They can be shown in 2D or 3D. 3D drawings encourage the designer to consider what the product looks like from different angles and whether or not they need to adapt or change their ideas.