PCB Joystick thumb

I couldn't find a thumb for the following PCB joystick. So I designed one using OpenSCAD
http://il.rsdelivers.com/product/alps/skqucaa010/pcb-stick-switch-4-dir-centre-push/0516316.aspx
I'm using it for the LAOS controller board.
http://redmine.laoslaser.org/projects/laos/wiki/LAOS_I2C_Panel_v04

Variations are welcome, like the nintendo NES controller perhaps?