D-Type adapter holder for desk. It's not perfect, but it works for me.
I bought the adapters on Aliexpress. The links are below.
https://nl.aliexpress.com/item/1005009029713065.html?spm=a2g0o.order_list.order_list_main.5.610c79d24XxHog&gatewayAdapt=glo2nld

The holes and screw threads were made by blakegraynz__, thanks for that!