To Thin Linear Elements

Place a fence around the target linework.
From the Topology Cleanup toolbox, select the Thin Linear Element tool.
From the Thin Linear Element tool settings window, select a Mode type.
Set the Tolerance settings as appropriate.
Accept a data point to thin the linear elements.
Shortly, the linework is thinned. A Results window shows the outcome.

Note: The results may be saved or appended to a text file by selecting the appropriate option from the Results window’s File menu.

Note: Thinning elements may create dangles.