README.md

# STEP File Comparator

Upload and compare two STEP files with the same origin. This tool will calculate and visualize 3D geometric deviations.

## Features
- STEP parsing with `pythonOCC-core`
- Basic surface point deviation analysis
- Streamlit frontend

## Usage
1. Upload two `.step` files
2. View the max and average deviation
3. Visualize with a simple deviation chart

## Future Improvements
- Add 3D viewer for live inspection
- Export report to CSV