I'm not sure how this will work.
Three D printing forms used will fiberglass.
My thinking is using the same way of construction that I used with My Thames Barge Col

This puffer project is a tad on the experimental side, it may work then yet again there is a chance it wont Col

So, it's on the back burner as the old saying goes.
While I can get my head around mixing the formats.
In the meantime, I will devote my energy into the first puffer Col

The project started as a larger Clyde Puffer than the Mk I model.
As I say tis is the classic ColRay 110% turnabout.

One: I will not be using any file for 3D printing found on the internet.
Two: Design the profile for blueprints/plans * using a CAD program
Three: Maybe construct a maquette, or go straight in at the deep end.
Four: If it doesn't work find another hobby , just kidding
Col
Just another Thought.
I have a good sailing spot right on my doorstep, just one problem I will be all myself.
Just 10ks away in one of the parks is a very nice boating lake run by the City of Albany , away from the strong winds down on the harbour custom made for model boat, just one slight hitch sailing boats only so my new venture will be just fine.
*Looking hi 'n lo for anything that could work