(rules PCB USB2SerialMux
  (snap_angle 
    fortyfive_degree
  )
  (autoroute_settings
    (fanout off)
    (autoroute on)
    (postroute on)
    (vias on)
    (via_costs 50)
    (plane_via_costs 5)
    (start_ripup_costs 100)
    (start_pass_no 4749)
    (layer_rule F.Cu
      (active on)
      (preferred_direction horizontal)
      (preferred_direction_trace_costs 1.0)
      (against_preferred_direction_trace_costs 3.6)
    )
    (layer_rule B.Cu
      (active on)
      (preferred_direction vertical)
      (preferred_direction_trace_costs 1.0)
      (against_preferred_direction_trace_costs 1.4)
    )
  )
  (rule
    (width 250.0)
    (clear 200.2)
    (clear 125.0 (type smd_to_turn_gap))
    (clear 50.0 (type smd_smd))
  )
  (padstack "Via[0-1]_600:400_um"
    (shape
      (circle F.Cu 600.0 0.0 0.0)
    )
    (shape
      (circle B.Cu 600.0 0.0 0.0)
    )
    (attach off)
  )
  (via 
    "Via[0-1]_600:400_um" "Via[0-1]_600:400_um" default
  )
  (via 
    "Via[0-1]_600:400_um-kicad_default" "Via[0-1]_600:400_um" "kicad_default"
  )
  (via_rule
    default "Via[0-1]_600:400_um"
  )
  (via_rule
    "kicad_default" "Via[0-1]_600:400_um-kicad_default"
  )
  (class default
    (clearance_class default)
    (via_rule default)
    (rule
      (width 250.0)
    )
    (circuit 
      (use_layer F.Cu B.Cu)
    )
  )
  (class "kicad_default"
    GND +5V +3V3 "/D-" /D+ "Net-(P1-Pad4)" "Net-(P3-Pad1)" "Net-(P3-Pad2)"
    "Net-(P3-Pad3)" "Net-(P3-Pad4)" "Net-(P3-Pad5)" "Net-(P3-Pad6)" "Net-(P3-Pad7)" "Net-(P3-Pad8)" "Net-(P4-Pad1)" "Net-(P4-Pad2)"
    "Net-(P4-Pad3)" "Net-(P4-Pad4)" "Net-(P4-Pad5)" "Net-(P4-Pad6)" "Net-(P4-Pad7)" "Net-(P4-Pad8)" "/TxD_RxD" "/RxD_TxD"
    /S2 /S1 /S0 "Net-(C8-Pad2)" "Net-(C9-Pad2)" "Net-(C17-Pad2)" "Net-(P1-Pad2)" "Net-(P1-Pad3)"
    /nE "Net-(U4-Pad1)" "Net-(U4-Pad12)" "Net-(U4-Pad18)" "Net-(U4-Pad19)" "Net-(U4-Pad22)" "Net-(U4-Pad25)" "Net-(U4-Pad26)"
    "Net-(U4-Pad27)" "Net-(U4-Pad31)" "Net-(U4-Pad32)" "Net-(U4-Pad33)" "Net-(U4-Pad36)" "Net-(U4-Pad37)" "Net-(U4-Pad38)" "Net-(U4-Pad39)"
    "Net-(U4-Pad40)" "Net-(U4-Pad41)" "Net-(D1-Pad1)" "Net-(D2-Pad1)" /LED1 /LED0 "Net-(R7-Pad1)" "Net-(R8-Pad1)"
    "Net-(R9-Pad1)" "Net-(R10-Pad1)" "Net-(R11-Pad1)" "Net-(R12-Pad1)" "Net-(R13-Pad1)" "Net-(R14-Pad1)" "Net-(R15-Pad1)" "Net-(R16-Pad1)"
    "Net-(R17-Pad1)" "Net-(R18-Pad1)" "Net-(R19-Pad1)" "Net-(R20-Pad1)" "Net-(R21-Pad1)" "Net-(R22-Pad1)" /RESET /MOSI
    (clearance_class "kicad_default")
    (via_rule kicad_default)
    (rule
      (width 250.0)
    )
    (circuit 
      (use_layer F.Cu B.Cu)
    )
  )
)