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 Price Beyond the Print Button Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Many people assume that the Costs of 3D Printing are just material + machine time. Click print, wait,…
Introduction: The Intersection of Speed and Replacement Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. When most people think of Spare Parts 3D Printing, they imagine emergency repairs for legacy machines. But the…
Introduction: From Idea to Physical Part in Days Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve helped hundreds of product developers, engineers, and entrepreneurs bring their ideas to life…
Introduction: The Hidden Danger in Your Clear Prints Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve seen it happen many times: a beautiful 3D Printed Resin part that feels strong and flexible…
Introduction: The First Decision That Affects Your Print Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. When clients send me a file for Industrial 3D Printing, the first thing I check is the…
Introduction: The Hidden Weakness in Your Prints Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most common failures I see in 3D printed parts is cracking along layer lines. The…
Introduction: When Leaks Are Not an Option Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most demanding applications for 3D printed parts is pressure testing — fluid manifolds, pneumatic fittings,…
Introduction: The 50‑Part Crossroads 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 50–200 custom parts. Should I invest in injection molding tooling,…
Introduction: The Most Overlooked Steps in Resin 3D Printing Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve seen many users of Photosensitive resin 3D printing spend hours perfecting their print settings, only…