Most multi-colour printers solve the second-material problem with a clumsy purge tower or a full toolchanger that swaps heads on a rail. The Bambu Lab X2D takes a different route: it bolts two nozzles into a single toolhead and feeds each one differently, so support material and a second colour are handled without ever parking a head.
Quick Answer
The X2D, announced April 2026, puts two nozzles in one toolhead: a direct-drive primary extruder for your main material and a Bowden-fed auxiliary nozzle rated past one million switching cycles. The auxiliary handles PVA supports or a second colour without the bulk or expense of a toolchanger.
Why two nozzles instead of one
A single-nozzle printer that prints two materials has to purge the old filament every time it switches, wasting plastic and time on a purge block. A toolchanger avoids the purge but adds mechanical complexity, more weight on the gantry and a higher price.
The X2D splits the difference. By keeping both nozzles permanently mounted in the same head, it can hop between materials mid-layer with only a short prime instead of a full purge, and it skips the rail and docking hardware a toolchanger needs.
Direct-drive primary, Bowden auxiliary
The two nozzles are not identical, and that is deliberate. The primary extruder is direct-drive: the motor sits right above the nozzle, giving tight control for flexible filaments and crisp retraction on your main model material.
The auxiliary nozzle is Bowden-fed, with the motor mounted away from the head and filament pushed through a tube. Bowden keeps the toolhead lighter, which lets the machine move faster, and it suits the auxiliary's job of laying down supports or a secondary colour where pinpoint retraction matters less.
What the auxiliary nozzle is for
The standout use is dissolvable supports. Load PVA into the auxiliary and the printer can build support structures that wash away in water, leaving clean overhangs on the primary material with no scarring from peeled-off plastic.
The same nozzle doubles as a second-colour channel for two-tone prints, logos or contrast detailing, again without a purge tower eating filament on every change. Rated for over a million switching cycles, the mechanism is built to keep doing this for the life of the machine rather than wearing out after a few hundred swaps.
Is it worth it for a SA workshop
For anyone in South Africa printing functional parts with tricky overhangs, the dissolvable-support trick alone can justify a dual-nozzle design, since it removes the manual cleanup that ruins detailed prints. If you mostly print single-colour models in PLA or PETG, a simpler machine may serve you better. Before committing, it is worth comparing the X2D against the wider 3D printer line-up to match the feature set to what you actually print, and stocking up on the consumables and tools that keep any printer running.
Frequently Asked Questions
What makes the Bambu X2D toolhead unusual?
It carries two nozzles in one head: a direct-drive primary and a Bowden-fed auxiliary. That lets it print supports or a second colour without a separate toolchanger or a wasteful purge tower.
Can the X2D print dissolvable supports?
Yes. The auxiliary nozzle can be loaded with PVA so support structures dissolve in water, leaving clean surfaces on overhangs printed in the main material.
Why is one nozzle direct-drive and the other Bowden?
Direct-drive gives the primary extruder precise control for the main model material, while the lighter Bowden setup keeps the head fast and suits the auxiliary's support and second-colour duties.
How durable is the dual-nozzle switching mechanism?
Bambu rates the auxiliary nozzle for more than one million switching cycles, so the swap mechanism is designed to last the practical lifetime of the printer.
Is the X2D good for multi-colour printing?
It handles two-tone work well through the auxiliary nozzle, which is ideal for logos and contrast detail. For many distinct colours at once, a dedicated multi-material system may still suit better.
Curious whether a dual-nozzle printer fits your projects? See the latest Bambu Lab and 3D printer range at Evetech and pick the head that matches how you print.