Issue: 

How to snap to the endpoints of dimension extension lines?

Solution:

  • Method 1:
  1. Click Tools → Options (shortcut: Op).

  2. Open the Options dialog and go to the Drafting tab.
  3. Check Ignore extension lines and click OK.


  • Method 2:
    Modify the system variable.
    Enter Osoptions at the command line and set it to 1.



Note：The default value is 5.


CN Solution★中望CAD如何捕捉尺寸标注边界线的端点
JP Solution


★How to snap to the endpoints of dimension extension lines in ZWCAD：https://confluence.zwcad.com/pages/viewpage.action?pageId=323750079