Rather than using humps to show where cables don't cross, the standard that Stardraw is designed to support uses a Junction Dot to show where cables do join.  This standard promotes a cleaner and clutter-free drawing.

Simply click on the Junction Dot tool  and then click on the junction.

I hope this is helpful.

Kind regards,
Rob Robinson
Stardraw.com

Any help would be great! Thanks in advance.

Kevin