Anet A8 Z-leveling tools

A common problem for people who have recently built an Anet-A8 is getting repeatable alignment of the two Z-axis steppers. Particularly since the X-idler side seems often to bind as it moves up and down.

Here are two tools to help with the alignment and to help check what is going on with calibration.

With steppers disabled, you can use the stand (tool 2) to set both Z-screws with the X-bearing bars at the same height from the base. This should be your 'starting point' before trying any ot