train/batch_05/50000.py

import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,4))
r=w0.sketch().segment((-20,-50),(18,-50)).segment((18,-7)).segment((20,-7)).segment((20,5)).segment((18,5)).segment((18,50)).segment((-20,50)).close().assemble().finalize().extrude(-9)