Version 3 now available. http://www.thingiverse.com/thing:91720 much easier to put together.

Almost as effective as my first vibration isolator but is fully printable and does not require any extra parts.

It reduces noise every effectively

I have print these in both ABS and PLA. They both work well.
ABS works slightly better as it is softer but is not able to support as much weight as PLA.