Geometry surface subtractions

Geometry
1

Hi, I am trying to subtract a circle representing a drainage channel from another surface, however, I cannot seem to do it with surfaces.

I was thinking along the lines of boolean difference in grasshopper. Is there a simple way of generating the surface with the semi circular recess. Definition attached.

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image.png1680×1050 120 KB

Cill_beam_type_2.dyn (24.4 KB)

2

Convert your cutting surface to a solid and use Surface.SubtractFrom.

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image.png897×543 28.8 KB

3 Likes
3

Thanks Nick, I was thinking along that line.