I'm working with a pipe mesh imported from an IFC file using the Bonsai addon in Blender, and I'm trying to divide it into several separate mesh objects. My goal is to split the geometry only — the IFC data is not important at this stage of my workflow.

Here's what I've tried so far:

• I used the Bisect Tool to cut the mesh at a specific point.
• Then I used the Separate Tool to create a new object from one side of the cut.
• This did create a new object, but the original mesh seems unchanged — when I select the remaining part, it still includes the entire mesh.
• I also tried saving the IFC file and viewing it in an IFC viewer, but no changes were visible.

What I need is a way to fully divide the mesh into multiple independent mesh objects, without worrying about the IFC metadata for now. I’ll reassign the data later in my workflow.

Questions:

1. Is this kind of mesh separation doable within the Bonsai addon?
2. Is there a recommended workflow for cutting and separating geometry from IFC meshes?
3. Are there any limitations or known issues with mesh editing in Bonsai that I should be aware of?

Any hints, tips, or workflows would be greatly appreciated! I'm attaching example of pipe mesh as ifc file.

Thanks in advance,
Artur