Kossel carriage truck for 1515 beam

This is a truck that the holds the Kossel carriage. It is designed to use v-roller and 3mm Bore Eccentric Spacers. It is designed to ride on OpenBeam1515

The 3mm Bore Eccentric Spacers I used are from https://www.inventables.com/categories/frame-rail/specialty-spacers

v-roller I used are from http://www.builda3dprinter.eu/product-category/parts/