Category Archives: How-To and Tutorials

Step-by-step guides, hands-on tutorials, and expert tips for **model railroading, electronics, 3D printing, and customization.** Whether you’re wiring LED lighting, airbrushing models, or automating your layout, this section is packed with practical knowledge to help you **build, modify, and enhance your projects.**

**Topics You’ll Find Here:**

🛠️ **Model train layout building tips & techniques**

💡 **Lighting and electronics installation (LumiEase, microcontrollers, LEDs)**

🎨 **Painting, airbrushing, and weathering techniques**

🔧 **3D printing and customization for HO scale**

🚂 **Wiring, automation, and smart control solutions**

From **beginner-friendly tutorials** to **advanced techniques**, this section is all about **helping you bring your model railroad to life—one project at a time.**

A Simple DIY Airbrush Regulator for Better Control and Cleaner Paint

Need better control over your airbrush setup? In this video, I show you how I built a simple and affordable airbrush pressure regulator with a built-in moisture filter using parts from Harbor Freight. This rig helps me quickly adjust pressure and keep moisture out of the line—especially important in humid environments like mine.

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