Which innovative product development approach was NOT used during the creation of the James Webb Space Telescope?

The James Webb Space Telescope represents one of the most ambitious product development projects in astronomical history. This $10 billion NASA flagship observatory required innovative solutions to unprecedented challenges, involving extensive stakeholder collaboration and multiple product iterations. Test your knowledge about how this groundbreaking telescope moved from concept to reality, revolutionizing how astronomical products are developed and deployed.

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Cryogenic testing in vacuum chambers to simulate space conditions for components
Rapid prototyping with 3D-printed models released to the public market every 6 months
Computational modeling to predict mirror performance before physical construction
International partnership model with specialized component development across countries