@jql said:
You install through sketchucation plugin store or through trimbleĀ“s extension warehouse.
Link Preview Image Plugin Store Download | SketchUcationExtending SketchUp has never been easier with a suite of tools that make installing and disabling plugins and extensions a one click operation.
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Thanks very much, thanks to everyone aswell for letting me know that the Joint Push Pull plugin is what I'm after! Cheers