Draft it Help

 

vertical centre line

Click on vertical line in the diagram here so that its Entity Handles are displayed.

Now click In the  status bar click in the 'Style' field and from the list pick the 'Centre line' line type.  Draft itask you to confirm that you wish to change the line style of the current selection, click on 'Yes'.

With the line still selected click in the 'Colour' field on the  status bar and pick 'Red' then confirm the change by clicking 'Yes'.

De-select the line by clicking in free space on the drawing.

We have just modified the existing centre line but now we now need to change the current Colour & Layer so that all of the new centre lines are created with the correct settings. Simply click into the 'Colour' field on the status bar and pick 'red' as before. Because no entities are selected the current setting is changed. Repeat this for the 'Style' and set it to 'Centre-line'.

We need to add centre lines to the 12mm holes in the side elevation. This is another opportunity to demonstrate the usefulness of the Relative feature and Direct Input. Select the Line button line button and position the cursor over the 'End' point at P1, hit ther keykey. Now type '-5.00' and press enter key (this is the X value) then type '-6.00'(this is the Y value).

Continue using Direct Input  to draw the next line by typing '25' and press enter key the '0' and   enter key once more.

Right click to cancel line drawing and again to repeat the command.

Position the cursor over the 'End' point at P2, hit ther keykey. Now type '-5.00' and press enter key then type '-6.00' . Now type '25' and press enter key the '0' and   enter keyonce more.

Right click to cancel line drawing and again to repeat the command.

 

hole elevation centre lines

Now position the cursor  over the 'Mid' point at P3 (above). Hit ther keykey and type '5.00' and enter key then '0' and enter key again. Now  type '-225.00' and enter key then '0' and enter key again. Right click to cancel the line command.

Select the Trim/Extend command trim extend button and click on the vertical centre line near to the top. By default Distance Input distance input mode button should be switched on, move the cursor up and click when the dimension reads '5.00'. Repeat this command again and extend the vertical centre line at the bottom end by 5mm. Your drawing should look like this.

finished array