Z Axis Alignment Tool for 12mm Guide Rails and 8mm Lead Screw

Remixed the alignment tool to be used with 12mm linear guide rails and an 8mm lead screw. You have to use one of these Z Carriages:

https://www.thingiverse.com/thing:2232625
https://www.thingiverse.com/thing:2590957

The width of the buildplate should be the one from the original hypercube (135mm middle piece + 2x 20mm extrusion = 175mm).

helped me a lot to properly align the lead screw in the center.