diff --git a/scripts/ext.sh b/scripts/ext.sh
new file mode 100644
index 0000000..3a68b67
--- /dev/null
+++ b/scripts/ext.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+export MAGTYPE=maglef ;
+export BASE=/home/mk/zooz/ ;
+export PDKPATH=$BASE/pdks/ef-skywater-s8/EFS8A ;
+
+magic -dnull -noconsole -rcfile $PDKPATH/libs.tech/magic/current/EFS8A.magicrc <<EOF
+gds polygon subcell true
+gds warning default
+gds read $1.gds
+load $1.mag
+save $1.mag
+writeall force
+select top cell
+extract style ngspice(si)
+extract
+ext2spice hierarchy on
+ext2spice format ngspice
+ext2spice cthresh infinite
+ext2spice rthresh infinite
+ext2spice renumber off
+ext2spice scale off
+ext2spice blackbox on
+ext2spice subcircuit top auto
+ext2spice global off
+ext2spice $1.ext
+quit -noprompt
+EOF