DuctCalc Pro

A much more complete ductwork takeoff + fabrication helper inspired by CAMduct-style workflows.

New full program

Run:

python camduct_program.py

Capabilities

• Fitting library: Straight, Reducing Cone, Gored Elbow, Offset.
• Live fabrication math per fitting:
  • Flat width/length
  • Area (sqft)
  • Weight (lb)
  • Labor hours
  • Material/labor/total cost
• Project workflow:
  • Customer / quote / project header
  • Multi-line takeoff table
  • By-thickness rollup summary
• Data interoperability:
  • Export CSV
  • Save/load full project JSON
  • Generate DXF patterns per fitting or batch
• Material library editor for thickness-specific $/sqft pricing.

Dependencies

• Python 3.10+
• ezdxf (optional, only needed for DXF generation)

Install:

pip install ezdxf

Legacy scripts still present

• ductCalc.py (CLI)
• duct_gui.py (older GUI)
• d3gui.py (simple GUI)
• gored_flat_pattern.py (utility)