SummaryCan be purchased here: http://ratrig.com/hardware/3d-printed-motor-mount-plate-126.html This is a 3D printed Idler Pulley Plate. It can be used with both V-Slot and OpenRail. The idea behind this plate is to give you a mountable yet movable plate for your Smooth Idler Pulley. This works great as it allows you to easily tension your belt. Properties: -67mm x 39.50mm -PLA -5mm Thick Released through my company Northern Layers: http://northernlayers.com