Here's a quick guide on how to import images into Blender 2.8 Subscribe! subscribe subscribe subscribe subscribe ...

Here is a short video tutorial on how to add an image (eg logo, eyes, tattoo ..) to a texture in Blender. Hope it help to you ...

I modified a printer a few years ago to handle multiple filaments, but I will admit it was more or less a stunt. It worked, but it felt like you had to draw mystic symbols on the floor of the lab ...