prototyping, user testing, reliability, and revision
Failure log
A water bottle cap leaks in 2/100 room-temperature tests, 18/100 after freezing, and 4/100 after heat exposure. Cracks cluster at one hinge.
- Failure depends on condition.
- The hinge is a repeated location.
- Redesign and retest cold cycling.
What is the best next move?
MODELIteration Evidence Log
DATA
PROVEChoose with evidence
CLUEPause. Find what matters. Then make your move.