#This example is meant to be used from within the CadQuery module of FreeCAD. import cadquery import Part #The dimensions of the box. These can be modified rather than changing the box's code directly. length = 80.0 height = 60.0 thickness = 10.0 #Create a 3D box based on the dimension variables above result = cadquery.Workplane("XY").box(length, height, thickness) #Boiler plate code to render our solid in FreeCAD's GUI Part.show(result.toFreecad())