Creality has opened U.S. preorders for its K3, starting at $849. Instead of repeatedly unloading and purging one nozzle, its KliTek system keeps four nozzle channels ready and advertises a roughly five-second swap. For an H2D owner who has waited through multicolor changes, this is a genuinely interesting architectural alternative.
The machine has a 260 × 260 × 260 mm build volume, advertised speeds up to 500 mm/s, a 300°C hot end and a 100°C heated bed. Creality cites 37 sensors, including sensors for nozzle alignment and locking. It claims as much as 80% shorter print times and 85% less material waste in particular comparisons; those are company tests, not guarantees for your own models.
Creality also promotes mixing 0.2, 0.4, 0.6 and 0.8 mm nozzle sizes for detail and faster infill. Some advanced mixed-nozzle, flexible-material and multi-material functions require optional accessories, so check what the base package actually includes.
The useful question is whether independent tool changes beat the H2D on a real print with many color swaps, not whether the promotional speed number is larger. Slicer maturity, replacement parts, nozzle alignment and support quality will matter.
Action: keep your slowest multicolor project as a benchmark, compare the actual nozzle-swap mechanism and accessory requirements, and wait for independent print tests before preordering.