Ask & Help / Rhino & Grasshopper
What should I clean in Rhino before exporting to Revit?
✓ Solved — mentor verifiedRhino & GrasshopperAsked by a student · 18 Jul 2026
My export sort of works but some volumes come in broken or floors won’t generate.
Your mentor
✓ Verified answer
Three passes before every export. First run SelBadObjects and repair or delete whatever it finds — corrupted surfaces travel badly. Second, flatten building bases with SetPt (Z only) so every mass sits level. Third, confirm the solids are watertight (closed) — Mass Floors require true solids, and even tiny misalignments break the workflow. Then re-export as SAT. Full steps: Clean rhino geometry →
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