#This example is meant to be used from within the CadQuery module of FreeCAD.
import cadquery
import Part

#The dimensions of the model. These can be modified rather than changing the box's code directly.
width = 2.0
thickness = 0.25

#Extrude a plate outline made of lines and an arc
result = cadquery.Workplane("front").lineTo(width, 0).lineTo(width, 1.0).threePointArc((1.0, 1.5),(0.0, 1.0)) \
    .close().extrude(thickness)

#Boiler plate code to render our solid in FreeCAD's GUI
Part.show(result.toFreecad())