There’s a company in the EU selling a similar desk, I saw a post on MW about it. The one they make is flat pack and can be broken down an reassembled.
I figured I could throw something similar together with plywood, some drawer slides, and some 2x4s. Took me two and a half days, but I did! I can post a rough drawing if I can find it, but otherwise I figured it out as I went. My brother builds furniture (farmhouse tables, etc.), so I was able to use his shop.
Here’s a wip shot