It's not too late to jump on the AI action figure "Barbie box" bandwagon -- and to 3D print it so you can have it for real. Amanda Kooser Freelance writer Amanda C. Kooser covers gadgets and tech ...

It lets you make 3D prints that slowly fade from one color to another along the Z-axis. [David Gozzard] wanted to do some printing with this effect, and learned how to make his own filament to do ...