To scale polygon 3D models for a school project, use beginner-friendly 3D software (like Tinkercad, Blender, or SketchUp) and their scaling tools to adjust size proportionally (keep shape) or by specific axes (tweak one dimension).
Proportional scaling locks the model’s aspect ratio—ideal for resizing without distortion—while non-proportional scaling lets you change height, width, or depth alone. For example: In Tinkercad, drag a corner handle (proportional) or side handle (single-axis). In Blender, select the model, press “S” and move the mouse (hold “Shift” for precision).
New to 3D modeling? Start with Tinkercad—it’s intuitive and shows real-time previews to avoid mistakes. Always save a copy before scaling so you can revert if needed.