Im attempting to dimension a part that has multiple arcs and tangent lines connecting them as seen below.  These drawings are to be sent out to be CNC'ed (part files included also), but the only contact I have with the company is through a middle man who knows very little of solidworks/CNC/etc.  Wouldn't a company that does CNC'ing have software like SolidCAM or DelCAM that they simply use the solid model to create the CNC program/code?

Whats the proper way to do this?  Ordinate dimensioning of the center marks?

Perhaps a chart with x/y coords and radii?