Universal spool holder v2 (parametric, beam clip) 3D-malli almost 2 years 1 Customizable OpenBeam/misumi/slotted extrusion double T bracket 3D-malli almost 2 years 1 Wera holder for Kossel Pro 3D-malli almost 2 years 1 OpenBeam Kossel Pro mount for spool holders 3D-malli almost 2 years 1