Prusa Research has partnered with Bondtech, a Swedish extrusion-technology specialist, to introduce the INDX conversion kit for the Prusa CORE One+. The system uses an eight-toolhead architecture designed to reshape multimaterial 3D printing by balancing color-change speed, material waste and print quality.
The INDX system is not a simple upgrade to a filament-changing device but a new printing architecture. It allows users to load eight different filaments on the Prusa CORE One+ at the same time. With eight independent toolheads, the system can complete tool changes in seconds, enabling multimaterial printing with nearly zero waste.
The most notable technical feature is the system’s “Smart Head” design. Each head contains an induction coil that works in a manner similar to an induction cooktop: when the system picks up a toolhead, it generates a high-frequency magnetic field that heats the nozzle directly.
Because the nozzle itself serves as the heating element, the design does not require a large aluminum heating block. This direct-heating approach gives the system very high heating rates and low thermal mass.
| Technical feature | Description |
|---|---|
| Toolhead count | 8 independent toolheads |
| Heating method | Electromagnetic induction direct heating, with no heating block |
| Material-swap loss | About 13 mg (0.013 g) per swap |
| Automated functions | Automatic drive-gear tension adjustment and first-layer calibration |
The INDX system is particularly effective at reducing waste. Through an optimized nozzle-wiping mechanism, it extrudes only about 13 milligrams of plastic per material change to stabilize nozzle pressure. Even for large multimaterial jobs, total waste is typically kept within 20 to 30 grams, eliminating the need for a conventional wipe tower.
To improve ease of use, the INDX integrates several automation and calibration features:
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