here is anouther https://www.vintagemodelplans.com/products/full-size-printed-plan-scale-1-48-director-class-paddle-tug-suitable-for-radio-control
Here is the search I used hope this helps.
https://www.google.com/search?q=Directors+Class+-+Forceful+paddle+tug&oq=Directors+Class+-+Forceful+paddle+tug&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIGCAEQRRg8MgYIAhBFGDzSAQg3MjAwajBqNKgCALACAA&sourceid=chrome&source=chrome.ob&ie=UTF-8
Here is the search I used hope this helps.
https://www.google.com/search?q=Directors+Class+-+Forceful+paddle+tug&oq=Directors+Class+-+Forceful+paddle+tug&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIGCAEQRRg8MgYIAhBFGDzSAQg3MjAwajBqNKgCALACAA&sourceid=chrome&source=chrome.ob&ie=UTF-8