This is for anyone who is new to product design and is wondering what tools they should use or purchase. It is by no means a definitive or complete list, so I invite other designers to share what tools they use. This first part will cover sketching, while future parts will cover wireframing, prototyping, and project management tools. Sketching The first (and arguably most important) step is brainstorming and sketching out ideas. For some people this could be storyboarding or diagramming user flows, while for others it could be jumping straight to interface sketches. You should consider what you’ll be doing before you purchase a sketchbook. Every designer should have a sketchbook, but I recommend having at least two. The key goal here is iteration — you want to explore all the possible solutions to your problem. Since this usually means I start with rough, quick, and ugly sketches to get out ideas, I try to save money with a cheap sketchbook. Sometimes I’ll just whatever is free and accessible (e.g. printer paper, a napkin, my arm). …