Z Axis Alignment Posts

These are intended to work with printers that have an x-axis bar that moves up and own along a z-axis. If you get creative you may come up with another use for them.

They are based on my previous posts I made for my Wanhao Duplicator i3 http://www.thingiverse.com/thing:1138928

I also borrowed the basic idea of TeamTEOR's holder for my original posts http://www.thingiverse.com/thing:1198375.

I decided to build a customizer just to see how it is done. Consider this a work in progress but it 'should' work. :)

Note:
If you have any ideas on additional features I could add, send me a message or add a comment and I'll see what I can do.

UPDATE: 2016/03/22
Drastically shortened the height of the holder.

UPDATE: 2016/03/11
Added 'wiggle_room' variable to make the holes in the holder slightly larger for easier fits.

UPDATE: 2015/01/03
Added ability to make posts have a flat side like mtnrunner19's remix of my original posts http://www.thingiverse.com/thing:1201542