Solid Intersection

Hi there,
I’m new using Grasshopper and I’m trying to do a school project but I have a problem that I can’t solve. My goal is drawing the Sagrada Familia’s columns. The problem is that I have to twist the columns 11.25 degrees both ways and then do the solid intersection but it doesn’t work and I don’t know why. I don’t know if it is clear so I’ll link the document just in case.
columna de 8 (25.8 KB)

It won’t boolean in Rhino either. If you have surfaces coming to the same area, it can struggle to create the correct edgecurves to make a new Brep.

If you can live with it, one solution is to scale one of them ever so slightly (you can do this in various ways) and it will work. By the way, this should be in the grasshopper category, not the developer one.

Instead of tweaking to get the union to work, alternatively you could slice the column with planes, and loft through the region unions:

columna de 8 (19.4 KB)

Probably a better workaround.


Thank you so much!!!

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