有构建板，支持多模型构建，但生成支撑的切片还有bug

tmp/patch_proxy.py

@@ -0,0 +1,53 @@
+import re
+
+with open('app/routes.py', 'r', encoding='utf-8') as f:
+    text = f.read()
+
+# Add serve_proxy_file after serve_file
+serve_file_code = """@main_bp.route('/file/<int:file_id>')
+@login_required
+def serve_file(file_id):
+    f = PrintFile.query.get_or_404(file_id)
+    if f.user_id != current_user.id and not current_user.is_admin:
+        abort(403)
+    path = os.path.join(current_app.config['UPLOAD_FOLDER'], f.filename)
+    return send_file(path)"""
+
+proxy_code = """@main_bp.route('/file/<int:file_id>')
+@login_required
+def serve_file(file_id):
+    f = PrintFile.query.get_or_404(file_id)
+    if f.user_id != current_user.id and not current_user.is_admin:
+        abort(403)
+    path = os.path.join(current_app.config['UPLOAD_FOLDER'], f.filename)
+    return send_file(path)
+
+@main_bp.route('/proxy/<int:file_id>')
+@login_required
+def serve_proxy_file(file_id):
+    f = PrintFile.query.get_or_404(file_id)
+    if f.user_id != current_user.id and not current_user.is_admin:
+        abort(403)
+    path = os.path.join(current_app.config['UPLOAD_FOLDER'], f.filename)
+    proxy_path = path + '.proxy.stl'
+    if not os.path.exists(proxy_path):
+        from stl_simplifier import simplify_stl
+        try:
+            simplify_stl(path, proxy_path, keep_ratio=0.1) # compress to 10%
+        except:
+            return send_file(path) # fallback to original if error
+    if os.path.exists(proxy_path):
+        return send_file(proxy_path)
+    return send_file(path)"""
+
+text = text.replace(serve_file_code, proxy_code)
+
+# Change plater models to use serve_proxy_file
+old_str = "url_for('main.serve_file', file_id=f.id)"
+new_str = "url_for('main.serve_proxy_file', file_id=f.id)"
+
+text = text.replace(old_str, new_str)
+
+with open('app/routes.py', 'w', encoding='utf-8') as f:
+    f.write(text)
+print("Patched successfully")