Revolved Solid
Creates a revolved solid.
sdLwPolyline poly = fDrawCtrl1.Document.CreateLwPolyline();
poly.AddVertex(new Point3D(0, 0, 0));
poly.AddVertex(new Point3D(10, -15, 0));
poly.AddVertex(new Point3D(10, 15, 0));
poly.AddVertex(new Point3D(0, 10, 0));
poly.Closed = true;
poly.FilletRadius(4);
sd3dSolid solid = fDrawCtrl1.Document.AddSolidRevolved(poly, 30, 270, new Point3D(25, 0, 0), Point3D.UnitY);
// Dispose the entity which is no longer needed.
poly.Dispose();