Does anybody has tried this mixing system
http://frap.tools/products/mixer/
So fetchingly surprised to discover a truly comprehensive modular system for mixing within the euro rack. At first glance, the only missing feature is a phase inversion button on the channel strip, though the direct out (yes, each strip features a pre/post fader direct out!) allows for managing this aspect on the main consolle… It is not a budget solution but it likely is made of quality components and shows plenty of features throughout 3 kinds of modules: the channel(s), the group(s) and the master.

The enterprise is from Italy, they also make a very unique function generator called Falistri