Grasshopper

algorithmic modeling for Rhino

Hi, I'm a beginner to grasshopper and I'm having troubles with the component Isotrim, I made and extrusion and I want to use Isotrim on that surface but somehow it is not working and keeps giving me an error (please see the following screenshot).

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Hi.

I doubt the output geometries of "Extrude" are surfaces. they are more likely to be "Open Breps".

You can make sure by connecting panel component to the Extrude component's "E" output node and see what type of geometry name they have.

if, in case they are "Open Brep", you can use "Deconstruct Brep" after that(you can possibly get 4 surfaces per each floor), and finally connect "Isotrim".

Oh thank you so much! it worked with Deconstruct Brep. Thanksss

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