A port of Mirrorboard (Randall Munroe and neale) for OS X. Revisited as A one-handed keyboard layout for people with demanding pets.
private.xml documentation can be found here: http://pqrs.org/macosx/keyremap4macbook/xml.html
- Install KeyRemap4MacBook from http://pqrs.org/macosx/keyremap4macbook/index.html
- Copy the <item> from private.xml into yours (or replace yours with this one). To find your private.xml, go to System Preferences -> KeyRemap4MacBook -> Misc & Uninstall -> Custom Setting -> Open private.xml
- Switch back to the Change Key tab and ReloadXML. Type Mirrorboard into the search box and the item should be in the list. Activate it and type with a happy pet by your side.