If you haven't used it before, SeaCad is a marine-specific add-on that runs on top of AutoCAD. Version 5.1 represents a mature, stable build of the software—offering a library of parametric marine symbols, hull form tools, and automated section generation that plain AutoCAD simply can’t match.
While 5.1 is not a full CFD solver, it offers quick hydrostatic calculations (displacement, LCB, VCB, KM) directly from your AutoCAD polyline section. For initial stability checks or tender designs, it’s more than sufficient. seacad 5.1
directly, as new software versions may not include existing machine parameters. Installation Passwords If you haven't used it before, SeaCad is