Industrial designers don't just research, form ideas and write redactions. Our graduate school theses (and work thereafter) take the form of products: digital, physical, experiential, etc. The basis for these products are concept sketches, and we were tasked with generating 60 initial product sketches our first week: consumer products, luxury products & open source products.
The 'Aha' Movement
Designing for Creativity at Work
A Master's thesis blog: Products of Design MFA program at the School of Visual Arts