Printed all at once with functional hinge. Does not require support when printing due the lack of surfaces exceeding 45°. This includes the conical hinge (see close up).

https://www.youtube.com/watch?v=vw1hIssCXIA

No

No

Should be printed without supports.

There is an extra tab at the bottom of the model in the center to add stability during print. This needs to be cut off after printing. The tab is dead center on the bottom. See video for what the final result should look like.