Free plug-in for Rhino 8
Review 3D models in Rhino
Reviewing a model usually means clicking through hundreds of objects and keeping notes in a spreadsheet. Lioness does the checking for you and keeps the notes with the model.
Download freeOr in Rhino, run _PackageManager and search for Lioness.
Four steps
It's one panel beside your model. Most reviews go top to bottom, but nothing is locked.
LIONESSModel
Model check
Issues
Share
Load
Open your Rhino file. If the model lives in Revit, pull it across with Rhino.Inside.Revit. The Revit file is never touched.
Check
Press Run check. Lioness looks for missing or wrong data, broken geometry and objects that aren't detailed enough, and scores each one.
Review
Work down the list. Click a problem and Rhino zooms to the object. Raise an issue, or accept it and note why.
Share
Export a PDF report, a spreadsheet of every object, or a BCF file your issue tracker can open.
Rhino 8 for Windows
Optional, through Rhino.Inside.Revit
Free
Terms
Lioness is free. The usual fine print applies.
Free to use
Use Lioness for free, for any kind of work, on as many computers as you like.
Your files stay with you
Lioness runs on your computer. It doesn't send your models or reports anywhere.
No warranty
Lioness is provided as is. Like any checker it will miss things, so you're still responsible for the model you sign off.
Liability
As far as the law allows, THREEDE isn't liable for any loss or damage from using Lioness.
Changes
These terms may change with new versions. The current version is always on this page. Updated November 2026.
Contact
Something not working, or a check you wish it had? Send an email.
lioness@threede.com.au