hello two things! the braids in my modular were just eurorack braids I made a while back smd, I just made a panel with clear acrylic plastic and black spray paint.
another thing to add is braids thru hole :- http://sound-force.nl/?page_id=3179&fbclid=IwAR3oyGU-WZUsfIbmxYOYmLZXWkG13QhWpOgw3J_LTZtR-lOG7dUrMPyzZwA
and another one Is im thinking of making the above in kosmo format as a open source project