Tried of buying linear rails so designed these z axis rails components that run along an extrusion. We need 3 bearings and I forget the size of the M5 screws so hardware needs to be added.

zbed_smz_components_wider_threadedrod		zbed_smz_components_wider_threadedrod.stl
motormount_smz		motormount_smz.stl
tslot 2020 for carriage_prototype_zaxis() is 280mm
carriage_prototype_zaxis_wall		carriage_prototype_zaxis_wall.stl
zcarriage_bearing		zcarriage_bearing.stl
zcarriage_bearing_single		zcarriage_bearing_single.stl
zcarriage_bearing_assy		zcarriage_bearing_assy.stl