DIY Flex corner office desk, with the Measure-it tool you can check the sizes and you can build the desk by yourself.
You can see the orderable desk here:
https://cosmos-home.net/shop/product/flex-sarok-iroasztal-2594?category=214
I added some stands like the following on this website:
https://hobistudio.si/dodatki-za-pohistvo/regulacijska-noga/
And for the 2 handles, you can have some similar in OBI or Practiker. And for sure you need screws, wooden nails, drawer rail (1pair) to assemble it.