this is a spring to stabilise the x axis on a printrbot lcmy x axis on my Printrbot lc was wiggling during violent direction changes, so I made this spring to sure it up a bitBest printed using a fan from the 6th layer onwards but can be successfully printed without if your desperate.My print quality has definitely improved since adding this and i hope yours does tootry printing two (one for each side) IMPORTANT print at 1.2 scale as I'm still learning to get the scaling right but 1.2 works fine