Hull Designer , a simple, interactive, visual 3-d hull design Windows program for modeling and developing panels for hard chine construction. Find Center of Buoyancy, Center of Lateral Area, Length Waterline, and righting moment (pitched or heeled) among other calculations. Create patterns for stem, stern, bulkheads, up to 10 chines, and up to 8 frames for construction. Includes a 3, 4, or 5 sheet nesting and hand-plotting capability and output to VRML 1.0, DXF, HPGL, or Carlson plotters. Includes sample designs and Word 6.0 manual.