Looking for an Apple /// keytop

[Tony Duell]

> 
> I'm looking for the 6 keytop from the numeric keypad for an Apple ///. 
> I've already replaced the broken-off keyswitch, but, of course the 
> keytop is long gone. 

On a related subject, has anyone managed to make their own keycaps either 
by using ah ome-made injection moulding machine (I've seen a couple of 
books on this, and the average keycap is small enough to be made that 
way) or using one of htose rapid prototyping machines ('3D printers')? 

-tony