In ModWiggler a thread has collected various technical information and development proposals.
Phin Head from Stochastic Instruments responded with great interest, being aware that his module is a future #1.
https://www.modwiggler.com/forum/viewtopic.php?t=272539

Since you propose the topic here, I would suggest this rack designed for silent performances (as the underground counterculture had initiated them in the 60s).

ModularGrid Rack

'On ne devrait jamais quitter Montauban' (Fernand Naudin).
https://soundcloud.com/petrus-major/tracks