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PembrokeSailor

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  1. I wish I had seen these helpful posts earlier. I am modelling a replica, 24 feet long, 19th century, fishing boat which was measured early in the 20th century. The construction was started by a technical college to teach students, but they lofted the frames from the measurements, so they didn't make a 3D model. (In full size boats, thin strips of wood are bent across the frames and trimmed to produce "fair curves".) It will help us to satisfy the passenger licence authorities if we have a an accurate model of the boat. I put the measurements into a comma separated file of X, Y, Z points and imported them using the import CSV file add-on. I imported the gunwale line by enabling 3D sketches. I had similar issues with bumps and exaggerated curves from my early lofts. I found that reducing the number of points produced better results, unlike SardonicMeow, who found more points better. I kept my imported points visible to check that my shapes were acceptable. A few points obviously weren't good, but I suspect they weren't well measured. My next problems came when I thickened the surface. The program froze or reported errors. My work-around has been to split the the hull into 3 sections and loft and thicken the sections. I was surprised that the surfaces met very nicely. I wanted to thicken the surface again to produce the frames but the program keeps crashing again. I may try splitting the body into sections just the width of the frames and try again. It is certainly not like the tutorials, but I am learning a lot.
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