i3 models, usually caused by using a long plastic fatigue caused XZ ball linear bearing slide, particularly to draw a simple mechanism allows linear bearings are not functioning because of the rapid slide OR plastic parts caused by fatigue failure of prin

i3 models, usually caused by using a long plastic fatigue caused XZ ball linear bearing slide, particularly to draw a simple mechanism allows linear bearings are not functioning because of the rapid slide OR plastic parts caused by fatigue failure of prints