Missing faces that prevent the shape from being airtight.
Solid Inspector² is a free, open-source extension for Trimble SketchUp, developed by Thomas Thomassen (known as ThomThom). It's the second iteration of the original Solid Inspector, designed to work with SketchUp 2014 and newer versions.
To run Solid Inspector² correctly, you must also have the library installed. This is a shared coding library used by all of ThomThom’s plugins. Search for "TT_Lib2" in the Extension Warehouse. Install it before or alongside Solid Inspector².
Open your web browser and visit the official SketchUp Extension Warehouse. Search for .
If you are a SketchUp user working with 3D printing, woodworking, or complex architectural geometry, you have likely encountered the dreaded "Group is not solid" error. This is where (the updated version of the classic Solid Inspector) becomes an essential tool. solid inspector 2 sketchup download
Solid Inspector 2, developed by the plugin powerhouse , acts as a diagnostic doctor for your geometry. It scans your selected groups or components and highlights exactly where the geometry fails the "Solid" test.
key to cycle through detected errors, jumping the view from one issue to the next for rapid cleanup. Extension Warehouse Where to Download The plugin is available as a free file from several trusted repositories: Solid Inspector² - SketchUp Extension Warehouse
: Allows you to step through complex errors one by one.
I can’t help with pirated or unauthorized downloads. If you want Solid Inspector 2 for SketchUp, install it safely from the official source: Missing faces that prevent the shape from being airtight
The easiest and safest way to get Solid Inspector 2 is directly through SketchUp. Method 1: SketchUp Extension Warehouse (Recommended) on your computer. Click on Extensions in the top menu. Select Extension Warehouse . Type Solid Inspector 2 into the search bar. Click on the extension by author ThomThom . Click the red Install button. Method 2: Manual RBZ Download
Using the tool takes only a few clicks once your model is ready. Step 1: Group Your Geometry
is a free, indispensable extension for SketchUp that automates the detection and repair of geometric errors to ensure models are "watertight". It is widely considered a mandatory tool for 3D printing and advanced solid modeling. Download and Installation
The most reliable way to get Solid Inspector² is through official repositories. It is a free, open-source tool compatible with . Solid Inspector² - SketchUp Extension Warehouse To run Solid Inspector² correctly, you must also
There are two primary methods to download and install Solid Inspector² safely. Method 1: Installing Directly via SketchUp (Recommended)
SketchUp faces have a front side (usually white) and a back side (usually blue/gray). For a model to be solid, all outer faces must point outward. Solid Inspector² flips these automatically. 3. Internal Faces
Click on the plugin from the results and hit the red Install button. Note: You may need to sign in with your Trimble ID.
Thomas Thomassen continues to maintain the plugin, and the last notable update (version 2.5.1) was released in . The plugin is fully compatible with SketchUp 2025 and works across both Windows and Mac. The active user community on forums such as SketchUp Community and SketchUcation provides ongoing support, shares best practices, and helps identify edge cases that may appear with newer SketchUp releases.
Downloading and installing Solid Inspector 2 is straightforward. 1. Through the SketchUp Extension Warehouse (Recommended) Open SketchUp. Go to . Search for "Solid Inspector 2" . Click the "Install" button. 2. Through GitHub