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support library to function correctly. If you install manually, ensure you also download and install SketchUp Extension Warehouse Common Issues Older SketchUp Versions : For SketchUp 2013 or earlier, you must use the original Solid Inspector (Version 1). Missing Toolbar : If the tool doesn't appear after installation, check View > Toolbars and ensure "Solid Inspector²" is checked. Complex Models : Large, high-poly models may take longer to analyze. other essential plugins for 3D printing preparation in SketchUp? Solid Inspector² - SketchUp Extension Warehouse solid inspector 2 sketchup download