Loft of the Offset Curve

Hi, are there anyone know why the loft does not work with offset curve? Thanks.
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Q4.gh (8.2 KB)

Thanks :ok_hand:

Flatten is not always the answer but Loft only works on lists of two or more curves, which means they must be in the same branch. Data trees!!

Good :ok_hand:

but flattening the lofted curves works …

Im intrigued. I’ve had issues with curve extractions and scaling/rotations where loft doesn’t work anymore… Any explanations on why your solution (which is kinda convoluted) works better. @HS_Kim also has some of these solutions that leave me speechless on GH logic… (Joseph, dont ask for an example please - it’s in one those of 20 versions of a script I abandoned when redid the whole model i was working on 2++ months ago, i couldn’t finding it)…

Straight solutions are not always the easiest answers to a model in the GH tree heaven…