a Simple End stop Bracket for the OneUp and TwoUp 3D printers Z-Axis. Slides easily down the 8mm rods with a singe M3 screw to clamp. Designed to work for the Mechanical End stop v1.2 but may work for others.Printed 1:1 scale using 100% infill. Infill may be reduced to 80% but wouldn't recommend going any lower. To attach: For 0 End stop: Simply remove the top plate, slide the X-Axis Gantry off. Slide the end stop bracket down the drive side with the two end stop holes on towards the top. slide the Gantry back down and replace the top plate. Next attach the end stop, set the Z-axis and tighten down. For Max End Stop: For 0 End stop: Simply remove the top plate, Slide the end stop bracket down the drive side with the end stop mounting holes towards the bottom. Replace the top plate. Next attach the end stop, set the bracket to the upper limit and tighten the clamp.