Create a circle from a plane So new to blender if this is super easy my bad.

I have created a plane with lots of small holes in it to replicate the mesh on the front of a speaker by subdividing a plane and using the Wireframe and Subdivision Modifiers. Creating this

 I want a circle shape not a square though how can I get the above image to be on a flat circle rather than a flat square to be like this but with my first pictures design not the hex pattern

I hope this edit cleared it up a bit
I used a hexagonal torus with two array modifiers to create the mesh then I just used the Boolean modifier to cut it out.  It's dirty but quick and easy:



Use Circle Select to select the extremities and proportional editing to slope the curve downward:



Finally, I added a "rubber" grommet around the edge: