This Module is currently available.
2HP Blank Panel
by Isobar Industries 2HP Blank Eurorack Panel. White silkscreen on black PCB.
https://isobarindustries.etsy.com/listing/1516595458/keys-2hp-eurorack-blank-panel
These merchants probably sell this module. Huh?
Included in 20 Racks, 7 are public: