import cadquery as cq w0=cq.Workplane('ZX',origin=(0,31,0)) w1=cq.Workplane('ZX',origin=(0,13,0)) r=w0.workplane(offset=-93/2).moveTo(11,52.5).box(2,95,93).union(w1.workplane(offset=49/2).moveTo(-8,-94).box(8,12,49))