Module is a 1U tile in Pulp Logic format
This Module is currently available.
Blank 1U Tiles – Aluminum
Handmade
Black or Silver – Anodized Aluminum
Blanking Tile
0.063″ Thickness (1.6mm)
Easy to drill for DIY projects
https://www.etsy.com/listing/490289634/blank-1u-tiles-aluminum
These merchants probably sell this module. Huh?