Full Spectrum is a technique that enables desktop 3D printers to produce a wide range of colors by overlaying thin layers of different translucent filaments. Unlike traditional multi-color printing that is limited to the number of loaded filaments, Full Spectrum uses virtual filaments and software to approximate target colors. With four filament colors and low layer heights, up to 39 distinct colors are achievable. The approach works best with a tool changer printer and translucent plastics, as opaque filaments and filament-switching setups produce inferior results. A known limitation is poor color reproduction on top and bottom surfaces, though a new texture plugin may address this.
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