import cadquery as cq
w0=cq.Workplane('YZ',origin=(-94,0,0))
r=w0.sketch().segment((-100,-36),(-59,-36)).segment((-59,-75)).segment((59,-75)).segment((59,-36)).segment((100,-36)).segment((100,36)).segment((59,36)).segment((59,75)).segment((-59,75)).segment((-59,36)).segment((-100,36)).close().assemble().finalize().extrude(189)