🌎 Read in English — Mechanical Design articles for global engineers
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How to Read Engineering Drawings: A Practical Guide for Mechanical Engineers

How to read engineering drawings: a practical guide for mechanical engineers. Learn views, dimensions, tolerances, and symbols with real shop-floor examples.
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Safety Design Fundamentals Every Mechanical Engineer Should Know

Safety design fundamentals for mechanical engineering: risk assessment, fail-safe principles, and how to apply safety thinking from the very first stage of design.
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Mechanical Engineer Salary Guide: Real Data by Experience and Sector

Salary Ranges by Experience LevelMechanical design engineer compensation varies significantly by country, industry, comp...
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From CAD Operator to Design Engineer: Building the Skills That Matter

Why CAD Operator Demand Is ShiftingThe "pure CAD operator" role — receiving geometry specifications and producing 3D mod...
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Freelance Mechanical Designer: A Practical Roadmap to Higher Earnings

How Freelance Design Income WorksFreelance mechanical design income is essentially: hourly rate × billable hours. Increa...
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CATIA Self-Study Guide: Books, Online Courses, and Schools Compared

Can You Learn CATIA on Your Own?Short answer: Yes — for the fundamentals. Basic operations (Sketcher, Pad, Assembly, Dra...
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2D vs 3D CAD: When to Use Each and How to Work with Both

2D vs 3D CAD: when to use each and how to work with both. A practical comparison from a working mechanical designer—covering real project trade-offs and workflow tips.
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Top 20 Books for Mechanical Engineers: Ranked by Career Stage

A ranked list of 20 must-read books for mechanical engineers, organized by career stage from beginner to senior. Curated by a working design engineer with real field experience.
設計者のキャリア

【設計者の言葉】ミスは隠すより晒せ——失敗を資産に変える設計者の習慣

機械設計を20年続けてきて、ミスをしなかった年は一年もない。図面の寸法違い、公差の検討漏れ、干渉の見落とし、強度計算の前提間違い。大小さまざまな失敗を、私は数えきれないほどやってきた。だが、失敗そのものが設計者の価値を決めるわけではない。失...
設計者のキャリア

設計フリーランスで月50万稼ぐための実務ロードマップ

機械設計フリーランスとして月50万円を目指すための、案件獲得・単価交渉・稼働管理の実務を、経験者視点でロードマップ化しました。