Y Z axis endstop ——geeetech Aluminum Prusa I3 HD
this is the building instruction of Geeetech Aluminum Prusa I3 . go to the playlist for all videos https://www.youtube.com/playlist?list=PLODCkot3GriiomwOYGZslsb_DPNh3KWgj go to geeetech to download the paired building munal.(PDF) http://www.geeetech.com/geeetech-aluminum-prusa-i3-3d-printer-kit-p-944.html