Orca3D is a software used for designing and analyzing marine structures. Orca3D v1.1 was released today, featuring compatibility with T-spline surfaces. Both Orca3D and T-Splines are based on the Rhino platform.
Orca3D sections can be cut through T-Splines objects and these sections will update dynamically as control points are edited. T-Splines objects can also be used for Orca3D hydrostatics analysis and can have Orca3D weight/cost properties assigned to them.