utils/feature_extraction.py

import numpy as np

def extract_features(file):
    # Placeholder: Simulate feature extraction
    # Replace this with actual CAD parsing (e.g., using PyMesh or OpenCascade)
    features = {
        "holes": [{"position": [10, 20], "diameter": 5}],
        "bends": [{"angle": 90, "length": 50}],
        "material_thickness": 2.0
    }
    return features