Line from 2 Points (3D/2D)
Insert
Wireframe (Part Level)
Insert
Geometry Line (Sketch/Sheet Level)
Use this command to create
a line between two points. At the sketch and drawing sheet levels, using
the Entity
input option allows you to create lines that are tangent,
parallel,
perpendicular
or at
an angle to a reference line.
The length and angle of the line is displayed and dynamically updates
as the second end point is located.
Specify the start and end of the line by selecting points
or tangent curves.
Right-click to display the Input Options Menu and select Entity. You can now proceed to draw tangent, parallel, perpendicular or angular lines. Continue with each procedure below.
Position the cursor over the
curve, arc, or circle until the tangent symbol 
appears and
select the start point of the line.
Dragging the cursor will display
the tangency range of the line.Select the end point.
Right-click to display the Input Options Menu and select Entity.
Position the cursor over the
reference line until the parallel symbol 
appears and select
the line. A line parallel to the reference line will appear.
Select the start point of the parallel line or specify an offset distance.
If you specify an offset distance, a line offset to the reference line will be created. A positive or negative value determines the offset direction.
If
you selected a start point in step 4 select the end point now.
Right-click to display the Input
Options Menu and select Entity. Position the cursor
over the reference line until the perpendicular symbol 
appears
and select the line. A line perpendicular to the reference line will appear.
Select the start point of the perpendicular line.
Select the end point.
Right-click to display the Input Options Menu and select Entity .
Position the cursor over the
reference line until the angular symbol 
appears and select
the line.
Specify the angle of the line.
Select the start point of the line.
Select the end point.
From
Constrain the beginning of the line from a point or curve other than the selected start point. Specify the from point/curve of the line.
To
Constrain the end of the line to a point or curve other than the selected end point. Specify the "to point/curve" of the line.
In sketch/drawing sheet mode Smart Pick can be used to constrain both the start and end points of the line.
