- Initial loading trajectory of double curve skin was designed through the analytic method.
- The main profile now has a double curve as it extends away from the nose, with the outer extremities bending noticeably upwards.
- It slopes downwards, is planted with gooseberry bushes, choked with a wild growth of vegetation, and terminated by a monumental terrace of cut stone, with balustrade with a double curve.
- unsymmetrical double curve tur-nout
- The X Lounger is based on a single ray, traced along a periodic double curved surface.
- RCC parabola double curve arch dam