Projecting to the first intersecting surface

[jitmit999]

Hi, I was wondering if there was a way to limit projecting to the first intersecting surface. Let’s say I want to project a curve onto a cube, how would I ensure to limit the projection onto the first surface value instead of having to input the same onto Grasshopper?

[Joseph_Oster]

This question belongs here:

Projecting and cutting holes using Grasshopper

Hello, so I’m working on this building in Rhino. As you can see I have positioned the windows for the same away from the building. I wanted to know how I can - using grasshopper - project the windows onto the walls and cut holes in it. (The wall has a thickness!). The idea is this way I can later change the window size and its position. How would I go about doing this?? . . . Edit: Sorry for not uploading the file earlier. I just added that as well. (Note: if you do ‘show’ you can see the wh…