>>11116576You can get a laminated chipboard in whatever pattern you like, i'm sure there are wholesalers nearby who will cut them according to your specs. Search for Egger boards for example.
For the table legs you can get 4 regular metal stumps or some sort of rectangular frame, there are many options out there. All have holes for screws, just bolt them to the board. This is mine, 2m long, total cost $280.