FreeCAD ventilation ducts and fittings parametric models 001 Ventilation ducts and fittings view 002 Example of ductwork installation 003 Example of ductwork installation Files in FCStd/FCStd1 format: 014_freecad_0-21-2_ventilation_01-001.ods014_freecad_0-21-2_ventilation_01-001.pdf014_freecad_0-21-2_ventilation_01-001.zip
