Imagine you receive a bent I-Beam bar as imported geometry and need to determine its length before the bending was performed.
This video is a possible solution to this challenge:
After the video was posted, Tom Helsley pointed out that the exact length can be obtain using a composite curve, instead of a fit spline. Thank you, Tom!
For more case studies of bending and unbending "stuff" using SOLIDWORKS, watch these videos: https://www.youtube.com/playlist?list=PLI35xrqqQVUv1X43B1fq4IZm0JT1AJ3Zu