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

#Create a plate with 4 counter-sunk holes in it
result = cadquery.Workplane(cadquery.Plane.XY()).box(4, 2, 0.5).faces(">Z").workplane() \
    .rect(3.5, 1.5, forConstruction=True)\
    .vertices().cskHole(0.125, 0.25, 82.0, depth=None)

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