import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,37,0))
r=w0.workplane(offset=-74/2).moveTo(65,56).box(62,88,74).union(w0.sketch().segment((-96,-56),(-87,-56)).arc((-72,-85),(-40,-92)).segment((-34,-100)).segment((-11,-84)).segment((-16,-76)).arc((-11,-67),(-9,-56)).segment((0,-56)).segment((0,-50)).segment((-9,-50)).arc((-25,-22),(-57,-15)).segment((-62,-6)).segment((-86,-22)).segment((-80,-30)).arc((-85,-40),(-87,-50)).segment((-96,-50)).close().assemble().finalize().extrude(-49))