diff --git a/mag/TX_line.mag b/mag/TX_line.mag
new file mode 100644
index 0000000..30f4a1d
--- /dev/null
+++ b/mag/TX_line.mag
@@ -0,0 +1,81 @@
+magic
+tech sky130A
+timestamp 1662947835
+<< metal1 >>
+rect -12000 7500 110000 12000
+rect -12000 4500 500 7500
+rect 99500 4500 110000 7500
+rect -12000 -1500 110000 4500
+rect -12000 -4500 500 -1500
+rect 99500 -4500 110000 -1500
+rect -12000 -9000 110000 -4500
+rect -12000 -39000 0 -9000
+rect 100000 -39000 110000 -9000
+rect -12000 -45500 110000 -39000
+rect -12000 -48500 500 -45500
+rect 99500 -48500 110000 -45500
+rect -12000 -54500 110000 -48500
+rect -12000 -57500 500 -54500
+rect 99500 -57500 110000 -54500
+rect -12000 -64000 110000 -57500
+<< via1 >>
+rect 500 4500 99500 7500
+rect 500 -4500 99500 -1500
+rect 500 -48500 99500 -45500
+rect 500 -57500 99500 -54500
+<< metal2 >>
+rect 0 7500 100000 8000
+rect 0 4500 500 7500
+rect 99500 4500 100000 7500
+rect 0 4000 100000 4500
+rect -1000 1900 101000 2000
+rect -1000 1100 -900 1900
+rect -100 1100 100100 1900
+rect 100900 1100 101000 1900
+rect -1000 1000 101000 1100
+rect 0 -1500 100000 -1000
+rect 0 -4500 500 -1500
+rect 99500 -4500 100000 -1500
+rect 0 -5000 100000 -4500
+rect 0 -45500 100000 -45000
+rect 0 -48500 500 -45500
+rect 99500 -48500 100000 -45500
+rect 0 -49000 100000 -48500
+rect -1000 -51100 101000 -51000
+rect -1000 -51900 -900 -51100
+rect -100 -51900 100100 -51100
+rect 100900 -51900 101000 -51100
+rect -1000 -52000 101000 -51900
+rect 0 -54500 100000 -54000
+rect 0 -57500 500 -54500
+rect 99500 -57500 100000 -54500
+rect 0 -58000 100000 -57500
+<< via2 >>
+rect -900 1100 -100 1900
+rect 100100 1100 100900 1900
+rect -900 -51900 -100 -51100
+rect 100100 -51900 100900 -51100
+<< metal3 >>
+rect -1000 1900 0 2000
+rect -1000 1100 -900 1900
+rect -100 1100 0 1900
+rect -1000 1000 0 1100
+rect 100000 1900 101000 2000
+rect 100000 1100 100100 1900
+rect 100900 1100 101000 1900
+rect 100000 1000 101000 1100
+rect -1000 -51100 0 -51000
+rect -1000 -51900 -900 -51100
+rect -100 -51900 0 -51100
+rect -1000 -52000 0 -51900
+rect 100000 -51100 101000 -51000
+rect 100000 -51900 100100 -51100
+rect 100900 -51900 101000 -51100
+rect 100000 -52000 101000 -51900
+<< labels >>
+flabel metal3 -1000 1000 -900 2000 0 FreeSans 20000 0 0 0 INA
+flabel metal3 -1000 -52000 -900 -51000 0 FreeSans 20000 0 0 0 INB
+flabel metal3 100900 1000 101000 2000 0 FreeSans 20000 0 0 0 OUTA
+flabel metal3 100900 -52000 101000 -51000 0 FreeSans 20000 0 0 0 OUTB
+flabel metal1 -12000 -64000 110000 -57500 0 FreeSans 20000 0 0 0 GND
+<< end >>