Redesigning Production and Place: Can Technology Reconnect Us? | Kate Armstrong | TEDxLinz

Key Concepts

• PITO Model (Product In, Trash Out): The traditional linear, extractive economic model where cities import finished goods and export waste.
• DITO Model (Data In, Data Out): A circular, distributed manufacturing model where design data travels globally, but production occurs locally.
• Distributed Manufacturing: A production method that uses digital fabrication and local facilities to create goods near the point of consumption.
• Fab City: A global initiative aiming for cities to produce most of what they consume by 2054 using circular, place-based systems.
• Material Metabolism: The flow of materials through a city, which the speaker argues should be localized to reduce carbon footprints and waste.
• Open-Source Design: The practice of sharing design files globally so they can be manufactured and adapted locally.

1. The Problem: The Hidden Cost of Consumption

The speaker uses the example of a shoe to illustrate the extreme fragmentation of modern global supply chains. A single shoe may involve:

• Extraction: Crude oil (Texas), rubber (Malaysia/Thailand), leather (Argentina/Brazil), cotton (Egypt).
• Processing: Tanning (Bangladesh/India), spinning polyester (China), pressing eyelets (Taiwan).
• Assembly: Hand-assembled in a single factory, then shipped globally.
• End-of-Life: Often discarded in landfills in countries like Ghana.

Key Statistics:

• The footwear industry contributes 700 million tons of CO2 annually, exceeding the emissions of international commercial air travel.
• Current systems are fragile, as evidenced by supply chain freezes during the COVID-19 pandemic.

2. The Shift: From PITO to DITO

The speaker argues that we have optimized for cost in isolation, leading to inequality, waste, and environmental degradation. The proposed solution is a transition from the PITO model to the DITO model:

• PITO (Linear): Disconnects production from place. Waste is exported, and the environmental impact is hidden from the consumer.
• DITO (Circular): "Intelligence is global, but the material metabolism is local." Design travels as open-source data, while production happens in mid-scale local facilities. This reduces the need for long-distance shipping and turns waste streams into new material resources.

3. The "Full Stack" Approach

Real systemic change requires aligning multiple layers of a city’s infrastructure:

• Materials & Fabrication: Mapping local waste streams and using digital fabrication.
• Skills & Education: Moving away from theoretical learning toward "learning by doing" in maker spaces and fab labs.
• Governance & Bioregions: Tailoring the DITO model to the specific culture and environmental needs of a local area.

4. Real-World Applications and Case Studies

• Fab City Network: A coalition of over 50 cities (including Linz, Austria) working toward the 2054 goal of localizing production.
• Bali, Indonesia: Communities are using local fabrication labs to build hydrogen capture systems, learning technical skills like electrolysis and amperage to solve immediate energy instability.
• Hamburg, Germany: Engineers are designing mid-scale urban manufacturing facilities using open-source tools, learning about production systems through direct implementation.
• Grand Garage (Linz): Serves as a "common ground" for learning and prototyping, demonstrating how shared workshops foster local resilience.

5. Notable Quotes

• "Waste materials, they leave our sight, but they never leave the planet."
• "Let ideas move at the speed of light and materials move at the speed of ecosystems."
• "The future is not something that we wait for. We build it together."

6. Synthesis and Conclusion

The transition to a sustainable future is not about rejecting technology or returning to the past; it is about using modern tools—such as digital fabrication, renewable energy, and open-source data—to rebalance globalization. By shifting from a model that ships finished goods to one that shares design knowledge, cities can become "materially grounded" while remaining "globally connected."

Actionable Takeaways:

• Support local repair cafes and maker spaces.
• Explore the material availability in your own neighborhood.
• Choose products based on their origin and repairability.
• Participate in the "material future" of your city by sharing knowledge and supporting local production networks.