Revit add-in

• User selects multiple possible shaft locations as nodes
• User draws corridors with line
• User clicks on "Submit button"

Dynamo script

• Place VAV Boxes
• Place ceiling diffusers in grid

Revit add-in

• Generate a mesh of nodes and edge connections
• Convert mesh into JSON
• Convert geometry into lines for rendering in Python (either JSON or svg)
• Save JSON to Google Drive

Python script

• Read JSON
• Calculate all possible paths
• Calculate metrics (e.g. pounds of sheet metal, static pressure drop, etc.)
• User views ductwork layout options
• User selects preferred duct layout options
• Python saves nodes for preferred duct layout option to JSON

Revit add-in

• Import JSON
• Create ductwork layout on nodes