The Ultimate Beginner’s Guide to CAD File Formats: DWG, STEP, STL, and OBJ
Navigating the world of Computer-Aided Design (CAD) can feel overwhelming when faced with file extensions like DWG, STEP, STL, and OBJ. This beginner-friendly guide breaks down the most common CAD file formats, explaining their key differences, best use cases, and how to choose the right format for 2D drafting, manufacturing, or 3D printing.
