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, ...
A. The Holy Ghost appeared at times under the form of a dove, and again under the form of tongues of fire; for, being a pure spirit without a body, He can take any form. Q. 422. Is the Holy Ghost ...