Free · Thomas Thomassen (ThomThom)
CleanUp³
Housekeeping pass for a model that has grown messy: it merges coplanar faces, erases duplicate and stray edges, and repairs the small geometry faults that accumulate over a long modelling session.
Verified facts
Taken from the developer’s own published material. Anything they do not state is marked as such instead of estimated.
- Developer
- Thomas Thomassen (ThomThom)
- Pricing
- Free
- Platforms
- Not stated by the developer
- SketchUp versions
- Not stated by the developer
Last checked . Pricing and compatibility change; confirm on the official page before you buy.
Sources checked
Useful for
- • Reducing edge and face count before rendering or export
- • Cleaning up imported CAD geometry
- • Preparing a model that another team will open
Limitations to know first
- • Merging coplanar faces removes edges you may have wanted to keep — run it on a copy first
- • The repository does not publish a supported SketchUp version range
What SketchUp does natively
Model Info > Statistics with "Purge unused", plus Fix Problems, removes unused definitions and repairs some faults without an extension.
Guides that use it
Each one documents the native method first, so you can decide whether this extension is worth adding for your case.
- Place furniture without slowing the model down Why does SketchUp get slow when I add furniture, and how do I stop it? Read the guide
- Fix a heavy, slow model My SketchUp model has become unusably slow. How do I fix it? Read the guide
- Repair solids for 3D printing and CNC Why is my group not a solid, and how do I make it watertight? Read the guide
Other extensions in this area
- Solid Inspector² — Free, Thomas Thomassen (ThomThom)
We are not affiliated with Thomas Thomassen (ThomThom) unless stated above, and this page is not a paid placement. Facts checked 28 August 2026. Report a correction.
