How to add curves to project

trying to add rounded 1/2" radius to each corners on bottom, any way to do that?
Ryobi tool holder.c2d (112 KB)

Do you mean you want to round them off as viewed in overhead from the design view?

That’s what the Corner Tool is for:

Note that interior corners may be done as well:

Presumably you’d want the outside ones as well:

OK

If you mean that you want things rounded off/edges smoothed, see:

Holy hell! You know sometimes the stuff right in front your face turn invisible when your trying to hard! Thank you Will