@marcmerlin without making something custom, this seems like the best low profile ribbon cable replacement for hub75 connectors. I haven’t been able to find this part in smaller quantities, though other pinouts are available (18 and 20, 20 is probably better as it’s symmetrical).
US $24.50 | 20pcs Flexible Flat Cable FFC FPC Connector Adapter 16 Pin 1.0 mm to 2.54 mm pitch 16 P 2x8 Pin through holes DIP PCB Converter
https://a.aliexpress.com/_UpnW2
Cables seem to be available up to 0.5m long:
US $4.65 7％ Off | 2PCS/LOT New FFC FPC flat flexible 16pin cable 1.0mm pitch 16 pin forward Length 500mm Width 17mm 16p Ribbon Flex Cable 50cm
https://a.aliexpress.com/_UnVX8