Have you ever gone to upload your stl/obj file to a website and found that it exceeds the upload limits? Or started editing a file and found that every little change takes ages to process? If so, then reducing the size of your file is a good option.
In the following video Callum quickly shows you how you can reduce the size of your file in meshmixer, without affecting the printability of your file. In fact, reducing the file size can sometimes have positive results on your 3D print, since the print path is less complex.