Serge Smooth & Stepped Generator in euro format
https://www.modulargrid.net/e/random-source-serge-ssg
The Serge Smooth & Stepped Generator (SSG) is a complex multi-functional module which can be patch programmed to provide various slew and sample functions both for audio and CV signals. It is one of the essential Serge modules.
http://randomsource.net/serge_euro
Available as an assembled Module and as a DIY project.
No info about availability.