[image] [image] This is why the output is not solid, even though the input is all solid geometry

Remove any columns which always return solids, then any walls which return solids on those columns. Then post the RVT here or elsewhere for review.

Geometry Intersection All not solid output

Daan September 29, 2023, 9:35am 5

Hmm that’s weird, I would also assume that this would result in solids. Perhaps the BimorphNodes Clash detection nodes give better results. BimorphNodes v2.1 Released with Ultra-Efficient Clash Detection and Geometry Intersection Nodes

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