To Change the Line Style of Draft Entities
To change the line style of selected entities as well as redefine some or all line style elements such as line font, color, and line width (thickness):
1. Click
Sketch >
Line Style.
2. Click one of the following options in the LINE STYLES menu:
◦ Modify Lines—Allows you to select draft entities whose line styles you want to modify, using the Modify Line Style dialog box.
◦ Edit Styles—Opens the Line Style Gallery dialog box, from which you can create a new line style, edit an existing style, or delete a style.
◦ Edit Fonts—Opens the Line Font Gallery dialog box, from which you can create a new font, edit an existing font, or delete a font.
◦ Clear Style—Undoes the last line style change you made.
|  If you change the line style of an entity, you can change other entities to this changed line style using the Repeat Last Format command available in the Format group. Select the entity for which you want to modify the line style and click  Repeat Last Format on the Sketch tab. The last selected line style is applied to the selected entity. |