I'm printing my cable chain pieces for a 4' x 4' shapeoko 2,

I’m printing my cable chain pieces for a 4’ x 4’ shapeoko 2, any idea the general length I should make this thin?. It takes 1 hour to print 4 links.

The absolute minimum is half the travel distance plus half of the perimeter of whatever radius circle your cable chain makes: http://2.bp.blogspot.com/-iKljKwIQIgA/VReSYL5v6aI/AAAAAAAAgNc/i8LGSGGotRg/s1600/IMG_20150317_073855~2.jpg