diff --git a/examples/scratchnet.py b/examples/scratchnet.py
new file mode 100644
index 0000000..966a183
--- /dev/null
+++ b/examples/scratchnet.py
@@ -0,0 +1,68 @@
+#!/usr/bin/python
+
+"""
+Build a simple network from scratch, using mininet primitives.
+This is more complicated than using the higher-level classes,
+but it exposes the configuration details and allows customization.
+
+For most tasks, the higher-level API will be preferable.
+"""
+
+from mininet.net import Mininet
+from mininet.node import Node
+from mininet.link import Link
+from mininet.log import setLogLevel, info
+from mininet.util import quietRun
+
+from time import sleep
+
+def scratchNet( cname='controller', cargs='-v ptcp:' ):
+    "Create network from scratch using Open vSwitch."
+
+    info( "*** Creating nodes\n" )
+    controller = Node( 'c0', inNamespace=False )
+    switch = Node( 's0', inNamespace=False )
+    h0 = Node( 'h0' )
+    h1 = Node( 'h1' )
+
+    info( "*** Creating links\n" )
+    Link( h0, switch )
+    Link( h1, switch )
+
+    info( "*** Configuring hosts\n" )
+    h0.setIP( '192.168.123.1/24' )
+    h1.setIP( '192.168.123.2/24' )
+    info( str( h0 ) + '\n' )
+    info( str( h1 ) + '\n' )
+
+    info( "*** Starting network using Open vSwitch\n" )
+    controller.cmd( cname + ' ' + cargs + '&' )
+    switch.cmd( 'ovs-vsctl del-br dp0' )
+    switch.cmd( 'ovs-vsctl add-br dp0' )
+    for intf in switch.intfs.values():
+        print switch.cmd( 'ovs-vsctl add-port dp0 %s' % intf )
+
+    # Note: controller and switch are in root namespace, and we
+    # can connect via loopback interface
+    switch.cmd( 'ovs-vsctl set-controller dp0 tcp:127.0.0.1:6633' )
+
+    info( '*** Waiting for switch to connect to controller' )
+    while 'is_connected' not in quietRun( 'ovs-vsctl show' ):
+        sleep( 1 )
+        info( '.' )
+    info( '\n' )
+
+    info( "*** Running test\n" )
+    h0.cmdPrint( 'ping -c1 ' + h1.IP() )
+
+    info( "*** Stopping network\n" )
+    controller.cmd( 'kill %' + cname )
+    switch.cmd( 'ovs-vsctl del-br dp0' )
+    switch.deleteIntfs()
+    info( '\n' )
+
+if __name__ == '__main__':
+    setLogLevel( 'info' )
+    info( '*** Scratch network demo (kernel datapath)\n' )
+    Mininet.init()
+    scratchNet()