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Engineering notes on building physical products

Patterns, pitfalls, and decisions — drawn from real projects, written for founders and engineers who need the short version.

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UNCATEGORISED · 2026-04-12

The Hidden Costs of Taking a Product to Market

The Hidden Costs of Taking a Product to Market The Unit Cost Trap When founders calculate the cost to bring a product to market, they usually think about…

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UNCATEGORISED · 2026-04-12

5 Questions to Ask Before You Build a Prototype

5 Questions to Ask Before You Build a Prototype Prototyping Without a Plan is Expensive Learning Most founders jump straight from “I have an idea” to “let’s build…

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UNCATEGORISED · 2026-04-11

How to Validate a Product Idea Before Manufacturing

Most product ideas die after tooling. Not before – after. The mould has been cut, the first samples have arrived, and it’s only then that someone actually checks…

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