How Do I Use GoShapes? (GODOT 4 Alpha 12)

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How Do I Use GoShapes? (GODOT 4 Alpha 12)

UnusualCore

Hey everyone.
I wasn't expecting to be asking for help again so soon - but this is a case of me not understanding the readme/instructions then me being outside my depth this time around...

I'm wondering how do I get mesh to follow the outer path of the "GoShapes" variant of the Path3D system? The included readme briefly mentions that you use "Lines" that is best suited for fences and roads (or in my case, railway track). But it doesn't specifically talk about how you would use these features to generate these things.

I've either "BlockShaper" which is unable to accept any other mesh then the precdually generated one and looks like this when using "Lines":

And there's also the "ScatterShaper", which I probably need not explain why that isn't desirable either...

Neither seems ideal particularly for fence (or railway) mesh paths... So I'm wondering if someone could enlighten me how to achieve the effect I'm after. The mesh itself in question has 5 edges in between one end to another to help it curve just as a FYI... ^^"