Supported PrintersRat Rig V-Core 3Version: 1.2.xOn this pageRat Rig V-Core 3 The Rat Rig V-Core 3 is a Core XY printer in 3 large sizes produced and sold as kits by Rat Rig Supported Boards BIGTREETECH Octopus v1.1 BIGTREETECH Octopus Pro 446 BIGTREETECH Octopus Pro 429 BIGTREETECH SKR Pro v1.2 Fysetc Spider v1.1