About this 3D model

It provides smooth motion with a low cost linear motion on ISO aluminium 2020 beam for Kossel mini. Using a F695ZZ bearing to replace a too expensive V-rollers and it sliding on a size 2020 beam that easy find than 1515. The belt slot can lock GT2 and adjust tension(common design). The three main hole is made to fit M5 screws to give strongly support when rolling. BOM for each: M5 x 20 screw x3pcs M5 spring washer (best is 1.5 thicknesses) x 3pcs M5 nuts x 6pcs F695zz bearing x 3pcs M4 hex socket x 1pcs M4 nuts x1pcs M3 x 20 screw x3pcs M3 X18 screw x 2pcs M3 nuts x 5pcs M3 washer x 2pcs