Problem with split and boolean difference

[kev.r (Kevin)]

It is not necessary to post duplicate topics. If you don’t get an answer, perhaps you should more clearly explain your question in the original post.

Split and boolean difference both failing - Duplicate topic

Hello, I’m trying to see what a dome roof would look like on my project, but Rhino is preventing me from splitting objects or even using boolean difference saying “Split failed, objects may not intersect or intersections may not split object.” I don’t know what to change to make this command work. Inserting the file here for a closer look. RHINO DESIGN III.3dm (15.9 MB)

At least you posted a file, but from what you posted it is not clear what you are having trouble with.

-Kevin