import cadquery as cq
from cadquery import exporters

slider_length=700
slider_width=50

path='20-2040.dxf'

bar_l = (
    cq.importers.importDXF(path)
    .wires().toPending()
    .extrude(slider_length)
    .translate((0, -slider_width/2, 0))
)

bar_r = (
    cq.importers.importDXF(path)
    .wires().toPending()
    .extrude(slider_length)
    .translate((0, slider_width/2, 0))
)

# Render
show_object(bar_l, name='Left Bar', options={"color": (20, 20, 20)})
show_object(bar_r, name='Right Bar', options={"color": (20, 20, 20)})