Document Properties - Line Font

You can set the style and weight of lines for various kinds of edges. Available for drawings only.

To set the style and weight of lines in drawings:

Click Tools > Options > Document Properties > Line Font.

Type of edge Select an edge type from the list: Visible Edges, Hidden Edges, Sketch Curves, and so on.
Style Choose a style from the list: Solid, Dashed, Phantom, Chain, and so on.
End Cap Style Select a style that defines the ends of edges: Flat, Round, or Square.
Thickness Choose a thickness from the list, or select Custom Size and enter a Custom thickness value.
Preview Displays the selected line font.