--- /dev/null
+#!/usr/bin/python3
+# Copyright 2025 by Bdale Garbee <bdale@gag.com>. GPLv3
+#
+# Program to emit PCB footprint for C&K PN11SHNA03QE SPDT momentary push switch
+#
+
+# dimensions in mm from ck/pn.pdf
+BodyWidth = 12 # body outline
+BodyHeight = 5.0
+PinSpace = 2.5 # pins are along body center line
+PinDiam = 0.9
+MntWidth = 11.3
+MntXOffset = 5.7 # rear mounting tab to center switch pin
+MntFOffset = -2.2 # Y offsets of mounting tabs from center line
+MntROffset = 1.2
+MntDiam = 1.2 # 1.2 vs 1.1 to allow sub of e-switch parts
+
+import sys
+
+# we're going to use the 1/100 of a mil fundamental unit form
+def mm2mils100( mm ):
+ return int( mm / 25.4 * 1000.0 * 100.0 + 0.5 )
+
+print('# author: Bdale Garbee')
+print('# email: bdale@gag.com')
+print('# dist-license: GPL 3')
+print('# use-license: unlimited')
+
+print('Element[0x0 "PN11S" "" "" 0 0 0 0 0 100 0x0]')
+print("(")
+print(' Pin[',\
+ mm2mils100(-PinSpace), \
+ 0, \
+ mm2mils100(1.8), \
+ mm2mils100(1), \
+ mm2mils100(2.0), \
+ mm2mils100(PinDiam), \
+ '"pin1" "1" 0x0101]')
+
+print(' Pin[',\
+ mm2mils100(0), \
+ 0, \
+ mm2mils100(1.8), \
+ mm2mils100(1), \
+ mm2mils100(2.0), \
+ mm2mils100(PinDiam), \
+ '"pin2" "2" 0x0001]')
+
+print(' Pin[',\
+ mm2mils100(PinSpace), \
+ 0, \
+ mm2mils100(1.8), \
+ mm2mils100(1), \
+ mm2mils100(2.0), \
+ mm2mils100(PinDiam), \
+ '"pin3" "3" 0x0001]')
+
+print(' Pin[',\
+ mm2mils100(-MntXOffset), \
+ mm2mils100(MntROffset), \
+ mm2mils100(2), \
+ mm2mils100(1), \
+ mm2mils100(2.2), \
+ mm2mils100(MntDiam), \
+ '"pin7" "G" 0x0001]')
+
+print(' Pin[',\
+ mm2mils100(MntWidth-MntXOffset), \
+ mm2mils100(MntFOffset), \
+ mm2mils100(2), \
+ mm2mils100(1), \
+ mm2mils100(2.2), \
+ mm2mils100(MntDiam), \
+ '"pin8" "G" 0x0001]')
+
+print(' ElementLine[',\
+ -mm2mils100(BodyWidth/2), \
+ -mm2mils100(BodyHeight/2), \
+ mm2mils100(BodyWidth/2), \
+ -mm2mils100(BodyHeight/2), \
+ 500, \
+ ']')
+print(' ElementLine[',\
+ -mm2mils100(BodyWidth/2), \
+ -mm2mils100(BodyHeight/2), \
+ -mm2mils100(BodyWidth/2), \
+ mm2mils100(BodyHeight/2), \
+ 500, \
+ ']')
+print(' ElementLine[',\
+ -mm2mils100(BodyWidth/2), \
+ mm2mils100(BodyHeight/2), \
+ mm2mils100(BodyWidth/2), \
+ mm2mils100(BodyHeight/2), \
+ 500, \
+ ']')
+print(' ElementLine[',\
+ mm2mils100(BodyWidth/2), \
+ mm2mils100(BodyHeight/2), \
+ mm2mils100(BodyWidth/2), \
+ -mm2mils100(BodyHeight/2), \
+ 500, \
+ ']')
+
+print(")")