This Module is currently available.
MG ID: 22667
Matte Black Blank PCB Blanks from Control with screw holes outlined in gold for Eurorack format. Reverse side is without the Control logo for mounting branding free.Blank/blind panel select drop down from above to choose. To be used for DIY modules and as a safety fill in to a case. Screws not included.
Height: 3U
Materials: Matte Black PCB
https://www.ctrl-mod.com/collections/cases/products/black-blank-pcb-panels
These merchants probably sell this module. Huh?