Usb mini HUB Holder For under table, prints without supports
Dimentions: 100x30x10mm
Screws:  wood screws

You can find the Usb mini hub here:
https://www.aliexpress.com/item/32828706446.html?spm=a2g0s.9042311.0.0.2dab4c4dwfTAe0

Pd: the included "top plate" file can be used to separate it from the bottom of your table.