Mark Sway is an 11-year-old boy who lives with his mother and brother in a trailer. One day, he and his brother are hanging out when a car pulls over beside them. The driver then sticks a hose in his ...

Color gradient filament is fun stuff to play with. 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, ...