Can someone suggest me a good video as to how a 3d printer works?
Your question is a little bit broad, but here is a quick overview video that should get you started in the right direction. If this is not quite what you are looking for, check out some of the other videos by Tom. He was a huge help to me when I started out.
It works like a glue gun on a cnc mill
here is how FDM 3D printing works…
FDM is one of many 3D printing technologies
Frequently it doesn’t 