prds-requirements
![Brian Piercy](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%230A66C2"><path d="M20.447 20.452H16.89v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433a1.982 1.982 0 1 1 0-3.964 1.982 1.982 0 0 1 0 3.964zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z"/></svg>)
Surface Truths: A Practitioner’s Guide to CMF Specification Color, Material, and Finish (CMF) is the user’s first physical interaction with any product, yet the specification knowledge required to execute CMF across a global supply chain is rarely documented in one place. This guide fills that gap. Written for industrial designers, product engineers, and manufacturing partners working across the US–India–China supply chain triangle, this document covers the complete CMF specification ecosystem: from CAD color tagging and technical drawing callouts, through mold surface finish standards (SPI, VDI, Mold-Tech), material compatibility, coating specification, colorant systems, durability testing, and QA inspection protocols — through to golden sample management, multi-part assembly color matching, and vendor communication across regional standards. Each section translates design intent into manufacturing-executable language, with parallel regional standard references, cost implications, and real-world failure modes drawn from production experience. Intended as an open, freely shareable reference for the global product design and manufacturing community. Keywords: CMF, color specification, material specification, finish specification, industrial design, product development, injection molding, surface finish, Pantone, CIE Lab, mold texture, coating specification, QA, manufacturing
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How to write SRS? What its key characteristics? To deliver a successful and robust software product, you should know an in-depth description of what to be developed. That’s why writing a clear, concise and easy to follow SRS documentation is a must.
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The problem that I want to write about today has always been a problem, but in truth, the pandemic has made this problem substantially worse. In particular, I am worried about teams reverting back to the heavy use of artifacts such as product requirements documents (e.g. PRD’s). I was afraid this would happen, and I...
I have always avoided writing. As a mechanical engineer, I would rather do just about anything else: sketch parts, build prototypes, or collaborate with manufacturers. Rough sketches for Dor, one of Bolt’s portfolio companies For over 15 years, I have designed and engineered products — mostly a