diff --git a/xschem_library/devices/iopin.sym b/xschem_library/devices/iopin.sym
index 19f8eae3..9f3b0ea6 100644
--- a/xschem_library/devices/iopin.sym
+++ b/xschem_library/devices/iopin.sym
@@ -1,11 +1,14 @@
-v {xschem version=2.9.5_RC5 file_version=1.1}
-G {type=iopin
+v {xschem version=3.1.0 file_version=1.2
+}
+G {}
+K {type=iopin
 format="*.iopin @lab"
 template="name=p1 lab=xxx"
 }
 V {}
 S {}
 E {}
-B 5 -0.0098 -0.009765619999999999 0.0098 0.009765619999999999 {name=p dir=inout}
-P 5 7 0 0 5.625 -4.84375 10.7812 -4.84375 16.4062 -0 10.7812 4.84375 5.625 4.84375 -0 0 {fill=true}
-T {@lab} 19.8438 -8.75 0 0 0.33 0.33 {}
+L 5 -0 -0 2.5 -0 {}
+B 5 -1.25 -1.25 1.25 1.25 {name=p dir=inout}
+P 5 7 13.75 5 17.5 0 13.75 -5 6.25 -5 2.5 0 6.25 5 13.75 5 {fill=true}
+T {@lab} 19.8438 -9.375 0 0 0.33 0.33 {}
diff --git a/xschem_library/devices/ipin.sym b/xschem_library/devices/ipin.sym
index 348e4154..7d4c4af5 100644
--- a/xschem_library/devices/ipin.sym
+++ b/xschem_library/devices/ipin.sym
@@ -1,4 +1,5 @@
-v {xschem version=2.9.8 file_version=1.2}
+v {xschem version=3.1.0 file_version=1.2
+}
 G {}
 K {type=ipin
 format="*.ipin @lab"
@@ -7,6 +8,7 @@ template="name=p1 lab=xxx"
 V {}
 S {}
 E {}
-B 5 -0.009765619999999999 -0.009765619999999999 0.009765619999999999 0.009765619999999999 {name=p dir=out}
-P 5 6 -0 -0 -6.25 -5 -14.375 -5 -14.375 5 -6.25 5 0 0 {fill=true}
+L 5 -5 0 0 0 {}
+B 5 -1.25 -1.25 1.25 1.25 {name=p dir=out}
+P 5 7 -5 0 -8.75 -5 -17.5 -5 -13.75 0 -17.5 5 -8.75 5 -5 0 {fill=true}
 T {@lab} -18.75 -8.75 0 1 0.33 0.33 {}
diff --git a/xschem_library/devices/opin.sym b/xschem_library/devices/opin.sym
index 461973d3..1f7d52c7 100644
--- a/xschem_library/devices/opin.sym
+++ b/xschem_library/devices/opin.sym
@@ -1,4 +1,5 @@
-v {xschem version=2.9.8 file_version=1.2}
+v {xschem version=3.1.0 file_version=1.2
+}
 G {}
 K {type=opin
 format="*.opin @lab"
@@ -7,6 +8,7 @@ template="name=p1 lab=xxx"
 V {}
 S {}
 E {}
-B 5 -0.009765619999999999 -0.009765619999999999 0.009765619999999999 0.009765619999999999 {name=p dir=in}
-P 5 6 -0 -5 0 5 8.125 5 14.375 0 8.125 -5 -0 -5 {fill=true}
+L 5 0 0 8.75 0 {}
+B 5 -1.25 -1.25 1.25 1.25 {name=p dir=in}
+P 5 7 17.5 0 13.75 -5 5 -5 8.75 0 5 5 13.75 5 17.5 0 {fill=true}
 T {@lab} 20 -8.75 0 0 0.33 0.33 {}