Update utils/cad_utils.py

utils/cad_utils.py

@@ -1,9 +1,17 @@
-def generate_cad_model(dimensions):
+import os
+
+def convert_cad_to_step(cad_file):
     """
-    Mock CAD model generation.
-    Use pre-generated CAD files if FreeCAD is unavailable.
+    Converts a CAD file to STEP format.
+    Returns the file path of the converted STEP file.
     """
-    file_path = "/mnt/data/example_model.step"
-    with open(file_path, 'w') as f:
-        f.write(f"Mock CAD file for dimensions: {dimensions}")
-    return file_path
+    try:
+        output_dir = "/tmp/"
+        os.makedirs(output_dir, exist_ok=True)
+
+        step_file = os.path.join(output_dir, "converted_model.step")
+        with open(step_file, "w") as f:
+            f.write(f"Converted from {cad_file.name}\nSTEP format content")
+        return step_file
+    except Exception as e:
+        return f"Error in CAD to STEP conversion: {e}"