#7026
Transmutr is a dependable tool designed to facilitate the conversion of multiple 3D files into formats compatible with SketchUp, making it easier for you to incorporate them into your projects. Its UI is well-structured to optimize all tasks, the program supports drag & drop, and supports 3DS, DAE, FBX, OBJ, or STL file formats.

#5341
ClothWorks is a heavyweight cloth simulation extension/plugin specially made for SketchUp. It is able to simulate various fabric effects in SketchUp very easily and realistically, such as the deformations of flags, curtains, tablecloths, and so forth distorted by forces such as gravity and wind.