Design for use
Consider durability, accurate sizing, care, replaceable parts and repair. Keep material composition with the specification.
Build care and continued use into the product from the beginning. Follow what actually returns, who receives it and what happens next.

A circular route has practical requirements. Naming a material “recyclable” does not establish a working route.
Consider durability, accurate sizing, care, replaceable parts and repair. Keep material composition with the specification.
Name a receiving point, acceptance conditions, transport, inspection and processing. Agree who does the work and how it is paid.
Track quantities, rejected items, losses, processing cost and the completed next use. Bring the learning back to design.
A reusable drink container needs an agreed cleaning and refilling process. An outer garment may suit repair or resale. Worn underwear needs a suitable textile pathway with clear receiving conditions.
Offcuts, unused packaging, surplus stock and spare equipment capacity can become offers to others. Condition, quantity, transport and processing determine whether an exchange is practical.
Follow material movement separately from income movement. Both matter, and neither is a substitute for the other.
The workbench compares quantities sent and received in the same unit. It also keeps the receiving conditions and actual result beside those numbers.
A return rate describes a movement. It does not prove a repair, a refill or an environmental benefit.
Record your next-use route ↗Collection, cleaning, breakage, rejected items, labour and transport are part of the route. A useful circular model includes the work needed to sustain it.
From the original plan, chapters 4 to 8 and 13. Read the source PDF.