You can create centerlines on the center of the circles by using the “Centerline Drop-Down” commands in the NX Drafting. To activate Centerline commands:
Read More Circle Center Mark in NX Drafting
Tag: Centerline
You can create centerlines between parallel curves or through points on a technical drawing by using the "2d Centerline" command in the NX Drafting. To activate
Read More Creating 2D Centerlines in NX Drafting