It would be nice to have available a Construction Tool Configurator to change some defaults when Building.
* Conveyor Belt Support: Being able to select Stackable Conveyor Pole instead of Conveyor Pole as support when setting conveyors. This would save an impressive amount of time. Other Peoples have been asking for this: 
* Power Line: Being able to select other Power poles like mk2 or mk3 instead of standart power poles when placing power Lines
All of this for efficiency