Rhino V2 is a rocking Nurbs modeler and with the flamingo plugin it can render out some killer images. Best way to see is to login to the Rhino...
I'm not sure I'd call it "freeware". I imported a bmp of the basic lines from the lines drawings in Tellers "The Voyages of Joshua Slocum, and...
Rhino supports all the major 3d formats from 3ds, iges, SW, LW, ghs and so on and so on. From the discussions in the Rhino Forum, however, it...
Gades: Nurbs surfaces are slightly different then parametric surfaces. I'm not sure how to explain it fully since I'm not much of a techno :) ....
Gades: Rhino is a true NURBS b-spline modeler. I'm still using an aging beta issue. If I don't get my craft underway soon maybe i'll start...
You are correct in saying it "took a couple of hours" and nearly choked my old machine to death. But I am pleased with the results. The dxf...
I guess i should have explained that better. I've converted the bmp to a dxf using coreldraw. It makes for a lot of lines. After I imported...
Click on any pic at the Westerbreke site and save it off as a dxf file. I used this method to develop a 3d model of their 20 hp diesel for use in...
Yes. Both of these articles discuss the questions you have, however, most relate more to the lwl/beam ratio in discussing stability and comfort...
Stephen: I've not been through all the math, however, The only way that the various weights could scale down would be if I you could magically...
:) Thanks for the note: Stephen
Steven: Isn't the LCB as you described better understood as describing the VCB (vertical center of balance) or am I way off base?