ClothWorks for Sketchup is a fabric simulation addon for SketchUp that can be downloaded for free in full version, standalone, offline installer for Windows.
An overview of Sketchup’s ClothWorks
It is an add-on for SketchUp that simulates clothing.
ClothWorks for Sketchup features
Loop Subdivision: maintains texture coordinates while increasing resolution to smooth fabricLaplacian smoothing: balances vertices to smooth fabricMoveable Pins: These enable you to change pinned fabric in a simulation.Adaptive Grid creates grids for three-dimensional geometry and complicated faces.
Technical Specifications and System Prerequisites
Working OS: Windows 7/8/10Processor: at least Pentium IVRAM: 1 GB; 2 GB is advised.200 MB or more of free hard disk space