TechDraw ExtensionLinePerpendicular

Description
The TechDraw ExtensionLinePerpendicular tool adds a cosmetic line perpendicular to another line through a vertex.



Usage

 * 1) Optionally change the current line attributes with the [[Image:TechDraw_ExtensionSelectLineAttributes.svg|16px]] TechDraw ExtensionSelectLineAttributes tool.
 * 2) Select a straight edge to determine the direction and the length of the line.
 * 3) Select a vertex to determine the position of the line.
 * 4) There are several ways to invoke the tool:
 * 5) * Press the button.
 * 6) * Select the option from the menu.
 * 7) A cosmetic line is added.