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 Volume Tipping Point 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 love 3D printing for prototypes, but at what quantity does…
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: From Raw Resin to Finished Product Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Raw SLA 3D Painting Surface Finishing parts come off the printer with a matte, sometimes grainy surface. They…
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…
Introduction: The Promise and Challenge of SLA Accuracy Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Clients come to me expecting Precision SLA 3D Printing — parts that fit perfectly, snap together smoothly,…