Hatched or Shaded Ductwork
Add an option to automatically draw a hatch over the ductwork in 2D. Have the hatch be controlled by the type of duct (return vs supply) and layer system (new vs existing).
This feature will be included in DM HVAC 7.2.
When we implement this, we will add support for hatched conduits and cable trays in Design Master Electrical at the same time.