import cadquery as cq
w0=cq.Workplane('YZ',origin=(43,0,0))
r=w0.workplane(offset=-86/2).moveTo(-68,97).box(40,6,86).union(w0.workplane(offset=-47/2).moveTo(51,43).box(74,34,47)).union(w0.workplane(offset=-9/2).moveTo(-27,-56).box(94,88,9))