Module 1: function before material
Write a one-sentence function for the part, then separate essential requirements from preferences. Compare each candidate with the same brief.
Module 2: geometry and process
Study wall sections, contact zones, draft, interfaces and tolerances alongside the proposed manufacturing route. Review how assembly and servicing work.
Module 3: testing the complete design
Agree representative samples, realistic exposure and measurable acceptance criteria. Keep test results linked to the exact material and component revision.
Module 4: designing the next journey
Consider recovery, repeated handling, cleaning and separation early. Use the downloadable material brief to work through a project with your team.