The Secret Society of Lathe Trolls

I'm not an expert, but this certainly looks nice!

The holes on the base-plate though, are they counter-sunk to connect to T or V slot nuts on the other side? Or are they there for some other reason?

Good morning, good afternoon and good evening! I'm Sindre. Joined these forums after a good while stuck down the YouTube rabbithole of people rolling up their own DIY lathes, this place is an incredible resource of information and opinions, so i decided to join! I have a mostly IT and Electrical bac...