Hi Jeffrey,
I tried typing on Shapeways and found several manufacturers; I don't see subjects in 1/700 scale but I asked the designer several times if he could reproduce in different scales and most of them said they were available. you will also find the davits and housings (saddles) for putting the Rhibs into the water.
https://www.shapeways.com/marketplace?type=product&q=Bill%27s+models+rhib
Cordial greetings
Maurizio
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