Align cross sections of sweeps to surface

[Joseph_Oster]

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Timber lattice on surface

Hello I am trying to make timber lattice on complex surface. THis is how it looks like with Box pipes.: [image] How to do rectangular sweeps along the ‘pipe’ rails that would be oriented perpendicularly to the surface? They are supposed to be think sections of timber. I tried everything!!! [image] diagrid.gh (120.4 KB)