Dimensioning the Start, End or Middle Point of a Sketch Line from Another Point in Your Sketch

1. Hover the mouse over the point from which you want to dimension.
2. Press Shift.As you move your mouse around the sketch grid, a dimension will appear from the point you indicated to the mouse location.
3. Press the spacebar (or just type) to enter a value in the highlighted field.
4. Press Tab to switch between dimension fields.
5. Repeat step 4 until you have entered all the dimensions.
6. Press Enter to accept the values and place the point that begins or ends your line.