This software is very specific to surf hull shapes.
If you want something else, download something else!

Download WaveCAD

Instructions how to use it here
Also good for getting a feel what it can do.

Things it does:

Planned, but not yet implemented...

Full 3D hull shape development based on rocker,plan,cross sections 3D Hull shape visualization Hull outline (plan) curve entry Hull rocker curve entry Multiple cross section curve(s) entry Center of bouyancy computation Waterline computation, with rider in various postures Rider size,weight,seat position simulation Rocker, Plan shape numeric tabulation to a file. Direct former printing Roll righting torque calculation, graph

Pitch stability calculation Direct rocker and outline printing Tabulated curve entry, so existing designs can be input DXF file output, for loading into general CAD fix the English units conversions

Screenshot
The main screen, wire mesh rendering of the hull.