3d printable nozzle adapter

Create a 3D printable STL model of a flat oval nozzle adapter for a cordless air blower / leaf blower. The blower's outlet is already slightly oval, not perfectly round. Exact dimensions for the fitting socket (the part that slides OVER the blower's outlet): - Inner oval dimensions of the socket: 59.0 mm × 72.5 mm (slightly larger than 58.2 mm × 71.7 mm for a tight press-fit) - Wall thickness: 3 mm all around - Depth (length) of the oval socket: 45 mm After the socket, add a smooth transition section of about 40-50 mm long. Then expand into a wider flat oval nozzle outlet: approximately 85 mm wide × 20 mm high (flat and wide for strong, directed airflow). Total overall length of the adapter: 90-100 mm. Add a small internal stop/lip (2 mm thick) inside the socket so the adapter doesn't slide too far onto the blower. The model must be manifold, watertight, with strong walls (minimum 3 mm thickness everywhere) to handle high air pressure. Make it suitable for printing in PETG or ABS