Z-stop Microswitch Fine Adjustment Mount

## Enables easy fine adjustment of the Z-end stop height
For getting that first layer height dialled in good and proper each time!

This is intended to be mounted to this my Unbreakable Z-rod stabilizer (http://www.thingiverse.com/thing:158580)

Provided you have a fairly level bed, you should only need to check the height in the middle of the bed.
e.g. adjust wingnut and z-home the head. Tighten the wingnut to lower the microswitch (reduce print head offset), loosen to raise it. Repeat a couple of times to dial it in exactly as you want.

### Required parts
M4 bolt with hex head (see photo of what I found in hardware store in Aus)
Spring (fairly stiff) and washers to go around the M4 bolt
Wingnut (you could also use this http://www.thingiverse.com/thing:13807 but i haven't tried)

### Pre-installation procedure

In its virgin, as-printed state, the male and female slider parts should interfere and will NOT slide. This is intentional, and you need file the mating s