--- /dev/null
+#!/bin/bash
+
+motorway='#FFFFFF'
+
+for reflen in {1..6}; do
+ sm_width=$(($reflen*5+10))
+ sm_height=13
+ lg_width=$(($reflen*5+12))
+ lg_height=16
+ convert -type TrueColorMatte -size ${sm_width}x$sm_height xc:none \
+ -fill $motorway -stroke '#888888' \
+ -draw "roundRectangle 0,0 $(($sm_width-1)),$(($sm_height-1)), 3,3" \
+ ../shield/motorway_sm_$reflen.png
+ convert -type TrueColorMatte -size ${lg_width}x$lg_height xc:none \
+ -fill $motorway -stroke '#888888' \
+ -draw "roundRectangle 0,0 $(($lg_width-1)),$(($lg_height-1)), 4,4" \
+ ../shield/motorway_lg_$reflen.png
+done