using the search function at the top right of this forum you can search a term like “table” and find a lot of threads showcasing people’s tables.
Here’s a few examples: My X-Carve Folding Table
. Table for 1000x1000 x-carve
. Red Oak X-Carve Table
. X-Carve Workspace Showcase (this one has a BUNCH of various designs)
As far as what is needed, something sturdy and with a solid surface.
For a smaller (400mmx400mm) cnc I’ve used a playing card table for months as it is capable of less forces thus less movement of the machine… for my larger cnc (4ftx4ft) I built a pretty hefty 6ftx6ft work station with some pretty stout casters…