Printing with bi-color filament results in an object ... Here is how it works: the 3D model for filament is a spiral that is the right diameter for filament, printed as a solid object.

It lets you make 3D prints that slowly fade from one color to another along the Z-axis ... He started by creating a spiral model in Fusion 360, with a hexagonal cross-section and slowly tapering ...

In a leap forward for materials science, a multi-institutional team of researchers has developed a pioneering method of 3D ...

By using CLCEs, the team could 3D print flexible structures with a special ink that changes color when stressed. This color change acts as a visual signal, showing how the structure is being used ...