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…
Introduction: Design Mistakes That Ruin SLA Prints Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve seen beautiful CAD models turn into failed 3D Printed Parts because the designer didn’t account for SLA’s…
Introduction: The Hidden Environmental Cost of Making Things Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every day, I see manufacturing waste firsthand — bins full of metal chips, plastic shavings, and rejected…
Introduction: Precision Where It Matters Most Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. The healthcare industry demands precision, biocompatibility, and rapid turnaround — whether for surgical guides, dental models, or custom prosthetics.…
Introduction: The Metal Manufacturing Crossroads Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. More and more clients ask me: “Should I CNC machine my metal part, or use DMLS (Direct Metal Laser Sintering)…
Introduction: Two Titans of Powder Bed Fusion Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. When it comes to industrial Nylon 3D Printing, two technologies dominate: SLS (Selective Laser Sintering) and MJF (Multi…
Introduction: The Hidden Crisis of Obsolete Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, I hear from clients who can’t find a spare part for a machine that’s 10, 20,…
Introduction: The Production Gap Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most painful moments in product development is the “production gap” — after you’ve finalized your design but before…