After you created the copper sulphate crystal using the KrystalShaper product, in order to use it on a PowerPoint presentation, you first need to export it or save it in a format that can be later used. To do that, inside the KrystalShaper program, go to File > 2D or 3D export, depending on which you want to use, and select a suitable file format. You can check the following website, in order to view a list of all the file formats that can be imported in the PowerPoint utility.