Based on Cura's open-source slicing software, Dremel DigiLab 3D Slicer will allow you to securely slice your CAD files without the need for internet connection. Since it's based on Cura, you can use the Dremel DigiLab 3D Slicer to slice files for not only your Dremel 3D printers, but also for your other Cura-integrated 3D printers.
