#This example is meant to be used from within the CadQuery module of FreeCAD. import cadquery import Part #Create a lofted section between a rectangle and a circular section result = cadquery.Workplane("front").box(4.0, 4.0, 0.25).faces(">Z").circle(1.5) \ .workplane(offset=3.0).rect(0.75, 0.5).loft(combine=True) #Boiler plate code to render our solid in FreeCAD's GUI Part.show(result.toFreecad())