Plenty of tool-changer Voron builds end up pinned to a bench, with the rear of the machine awkward to reach. Toolpath Labs took a different route with the Doomchanger: the whole enclosed multi-tool printer sits on a rolling metal cart that has a drawer plus a lower shelf, and the castored base exists to make reaching the back for maintenance simple. In my view that is a smart call, since a machine close to body weight should never need lifting to service. The printer is an enclosed multi-tool machine on a Voron frame with a StealthChanger tool-changing arrangement, a black frame with clear panels, and a CoreXY-style horizontal linear rail. Each toolhead carries a direct-drive extruder, a stepper motor, a cooling fan, wiring and a PTFE filament tube. Four DragonBurner heads park on a rack inside the upper chamber, each wearing a round BTT KNOMI screen with graphics and temperature readouts, one showing 214.0 and 215.0 degrees. During a swap the active black head docks and a red one gets picked up to keep the print going. Up top, a Lenovo Legion Go display runs a Klipper web interface. The filament side uses Filamentalist V3 units the maker assembled, with spools resting on roller bearings. Five rolls in grey, red, blue, green and white sit on the lower shelf. For now the rolls just rest on the units, motorised feeders are planned, and the drawer is meant to take gridfinity storage later. An exterior panel holds pliers, flush cutters, craft knives and hex keys. Not everything is finished. Wire management remains an untangled mess, umbilicals catch or tilt into each other, toolhead lights have not been added, and the filament path runs too long without Filament Buffers. The maker will likely drop a seventh tool to concentrate on tuning, and a whiteboard behind the machine tracks jobs including umbilicals, a Nevermore, a buffer and KNOMI.
Project by Toolpath Labs. Watch it on their YouTube channel: