About this 3D model

This optical endstop holder is used for a precise adjustment of the z-axis. The basic idea of the endstop fixture is from Prusa's Mendel project (endstop-holder.scad). https://github.com/prusajr/PrusaMendel The basic idea of the vertical adjustment is similar to "Vertical Adjustable Opto Z Endstop Holder" from LittleDangerous http://www.thingiverse.com/thing:23858