If you havent already, you will need to install Unity Editor 2017.3 from here in order to use the SDK (make sure you check Linux Build Support when installing).
Run Sizebox.exe Settings If you want, you can also customize where your models and other resources are stored using the settings.xml file by following these instructions: Theres also a tutorial: Sizebox SDK You can download the latest version of the Sizebox SDK (for importing models, objects, and stages) from here: ftp:SDK After downloading, extract sizeboxsdk.zip into a new folder wherever you want to store your import project files (these could become fairly large if you dont clean them out).
