Wooden Catwalks

I've downloaded many coasters with wooden catwalk buildings, stations ect, how do I make wooden catwalks??

[hyyyper]

by using the support generator.

More specifically please. I know how to use the generator for wooden coaster supports, but how do i make catwalks that arent part of the track? Keep it simple.

You pull them away from the track.

[hyyyper]

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^Then drag and drop. Simple.