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How Thin Can You Injection Mold Plastic? Minimum Wall Thickness, Explained

Justin Brown June 25, 2026 No Comments

Most plastic parts are molded with walls between 2 and 4 millimeters. With the right setup, thin-wall molding can push under 1 millimeter. So how thin can you really go…

Can You Make Your Own Injection-Molded Plastic Parts? An Honest Look at DIY

Justin Brown June 25, 2026 No Comments

You sketched a part. Now you want to know if you can just make it yourself. The short answer is yes, sort of. People do mold their own plastic parts…

What Is 3K Injection Molding? How Three-Material Parts Are Made

Justin Brown June 18, 2026 No Comments

Ever wonder how one button can feel hard on the outside but soft where you grip it? The symbol might even be a different color. No glue holds these parts…

What Is 2K Injection Molding? How Two-Shot Molding Works

Justin Brown June 18, 2026 No Comments

Ever wonder how a toothbrush gets a hard handle and a soft grip in one piece? There is no glue holding the two parts together. The answer is two plastics,…

Which Plastic Is the Most Toxic? A Manufacturer’s Guide to Safer Resin Choices in Injection Molding

Justin Brown May 28, 2026 No Comments

When you design a product, the resin you pick matters as much as the shape. Choose the wrong one and you could face recalls, failed compliance reviews, or unhappy end…

Which Is Cheaper: 3D Printing or Injection Molding? A Cost Breakdown for Product Teams

Justin Brown May 28, 2026 No Comments

You are about to greenlight a part for production. You have seen 3D printing quotes that look reasonable per piece. You have seen plastic injection molding quotes with a scary…

What Are the Three Unsafe Plastics? A Manufacturer’s Guide to Resins to Avoid

Justin Brown April 23, 2026 No Comments

Flip over a plastic container and you’ll see a small number inside a triangle. That number is the resin code. Three of those numbers get flagged for safety concerns more…

The 7 Most Common Plastic Molding Defects (And How a Quality Plastic Molding Service Prevents Them)

Justin Brown April 23, 2026 No Comments

You open a sample box from your molder. The parts look off. One has a line running down the face. Another has a dent that wasn’t in the CAD. A…

What Is the Rule of Thumb for Injection Molding? Draft Angle Guidelines Explained

Justin Brown April 17, 2026 No Comments

You’ve finalized your CAD model, chosen your resin, and you’re ready to go to tooling — but have you checked your draft angles? Skipping this step is one of the…

The Future of Plastic Molding: Trends Shaping How Parts Get Made

Justin Brown April 17, 2026 No Comments

Plastic molding hasn’t stood still. In the last few years, automation, supply chain disruption, and sustainability pressure have reshaped how parts get made — and how buyers choose who makes…

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