About this 3D model
Adjustable Z support for the mechanical endstop from reprapdiscount.com. The clamp diameter is for a 10 mm stub. It is inspired from oTTo's support http://www.thingiverse.com/thing:16458 _2020/09/03_: Revision 3 is just a little bit more accurate and made with Freecad, the previous one was made with SketchUp.