Surfaces must be ruled surfaces of degree 1*N. Non ruled surfaces cannot be unfolded.
A ruled surface is a surface that can be created by sweeping out a linear profile of degree 1 along a guide of degree N.
Surfaces must have a null Gaussian curvature
The origin and direction of the surface to unfold must not be located on an edge to tear.
有能展平非规则曲面的软件吗?