How can I get the SDK 3.1?
Currently, SDK 3.1 is a stable beta. When the general release version is available, it will be distributed as an update through the developer portal system.
If you would like a copy of the SDK 3.1 Beta, simply send an email to developers@structure.io.
The Beta is stable and can be used in production applications. For a list of all current issues reported for the SDK 3.1 beta, please see the Known Issue Tracker for Structure Sensor 3.