I've always wanted to take a stab at one of these
http://acuteaero.com/2010/06/03/the-most-advanced-scotch-tape-dispenser-in-the-world/
This one was done with CNC, but I see no reason you couldn't do it with manual machines. If you don't have a rotary table, you will need to get creative to get nice smooth curves (hint, you can get nice internal curves by plunging a fly cutter, just remember they are not center cutting).
Major plus, it is dead sexy.