Quantifying object length in 3D

I have a question about MeasureObjectsSizeShape in 3D as I see that most outputs are only available for 2D, however these measurements (such as major axis length) seem to give me the expected output, can I use this? Otherwise, how can I measure the length of each line in this image? I have attached here an image of the thresholded stack (too large to upload complete stack)
I also attached my current pipeline (I am measuring texture for the relation of these lines to eachother)
Any feedback would be great. Thanks!

example of one image in stack|446x500 measure_3D.cpproj (84.3 KB)

MajorAxisLegnth is not listed as a 2D only measurement, at least in CellProfiler 4, so it should be safe to use.

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