| Software | Platform | Key Feature | |----------|----------|--------------| | | Windows/Mac/Linux | Parametric modeling, open-source | | Blender | Windows/Mac/Linux | Full 3D suite with CAD-like add-ons | | Wings 3D | Windows/Mac/Linux | Subdivision modeling, lightweight | | TinkerCAD | Browser | Great for beginners and 3D printing | | Onshape Free | Browser | Professional CAD with public documents |