Here's a demo of a script we're using to create section boxes in Grasshopper similar to those in Revit. This doesn't split geometry but helps with managing a large file in your viewport.

This is similar to Luis Fraguada's script (datable.net/animated-clipping-planes-in-rhinoceros/), except this script runs with a closed brep and uses Python.

Click the link to download the file and get more info: lmnts.lmnarchitects.com/visualization/section-boxes-in-grasshopper/

j vimeo.com/56043655

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