Introduction: The Testing Dilemma Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, engineers ask me: “Should I use FDM or SLA for my functional mechanical test parts?” The answer depends on…
Introduction: The Aluminum Crossroads Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. When engineers need an aluminum part, they typically reach for 6061 — the workhorse of CNC machining. But in recent years,…
Introduction: The Allure of Clear 3D Printed Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most common requests I receive for SLA 3D Printing Parts is: “Can you make…
Introduction: The Best of Both Worlds Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. For years, engineers faced a choice: use 3D Printing Manufacturing for complex geometry but poor surface finish and accuracy,…
Introduction: The Print Is Only Half the Story Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve printed thousands of 3D Printed Parts — and I’ve learned that what comes off the build…
Introduction: Not All 3D Printed Parts Can Handle Movement Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve seen many engineers design 3D Printed Components for static applications — brackets,…
Introduction: The No‑Man’s Land of Low‑Volume Production Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most common questions I get is: “I need 20–100 custom parts. What’s the best manufacturing…
Introduction: The Spectrum from Rock‑Solid to Rubber‑Like Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most common questions I get about Flexible Resins 3D Printing is: “How flexible is it?…
Introduction: Every Dollar Saved Is Profit Earned Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve helped hundreds of clients reduce the cost of Cost-Saving Custom Parts — sometimes…
Introduction: The Hidden Force That Distorts Your Prints Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve printed thousands of 3D Printed Parts using FDM, SLA, and SLS — and I’ve seen warping…