Building BlendSurfaces from identical edges connected to identical horizontal planes at different heights does not always give the same result.
See example here.
In this example, the expected result would be 4 surfaces with some degree of lateral continuity. This happens with 3 of the four generated BlendSurfaces.
However, the result for the 4th BlendSurface is weird.
The same happens with quarter circles generated from a polar array, as shown in the figure below.
Building BlendSurfaces from identical edges connected to identical horizontal planes at different heights does not always give the same result.
See example here.
In this example, the expected result would be 4 surfaces with some degree of lateral continuity. This happens with 3 of the four generated BlendSurfaces.
However, the result for the 4th BlendSurface is weird.
The same happens with quarter circles generated from a polar array, as shown in the figure below.