If you import meshes like e.g. rocks into CopperCube 3D game engine and want to give them a tillable texture sometimes the texture scaling needs to be changed to make it look more or less detailed. Using CopperCube's menu function "Set planar texture coords for mesh ..."  adjusts only one object simultaneously, takes time and some trial and error.  So here is the CopperCube editor uv scale plugin now which provides a quick way to change uv texture scaling via hotkeys, even for multiple children objects of a selected parent node at once:

https://hadoken-records.itch.io/coppercube-editor-uv-scale-plugin