Additive Drone Synthesizer for Scope DSP Audio Platform.
The fun and unique Indian harmony setting shruti boxes make their way to the Scope platform in the form of simple and clever additive synthesis instruments.
Discussion and more info: https://forums.scopeusers.com/viewtopic.php?f=10&t=34383
Download the device and the manual from http://www.oceanswift.net
There’s also a more advanced commercial version available as part of the Dream Bundle from Sonic Core.