ClayModeller is an Android app for creating 3D models that can be printed using clay. Features: • 9 Sculpting Tools - Remove, Add, Pull, Smooth, Flatten, Pinch, Inflate, Light, and View mode • Drag-Based Sculpting - Add and Pull tools respond to finger drag direction for intuitive modeling • Per-Model Lighting - Adjust light position and intensity, saved with each model • Example Models - 6 built-in examples to learn sculpting techniques • Undo/Redo - Up to 20 levels of undo history • Save/Load - Save your models in custom .clay format • STL Export - Export models for 3D printing (50-200mm) • Auto-Save - Automatic backup every minute • View Mode - Examine your model with camera controls (pinch zoom, rotate, pan) • Visual Cursor - See tool size and position in real-time ClayModeller does not collect any user data. All files are stored locally on your device.