Holder to project towards the ceiling (on a bed for example). Printed without supports. Access for cables, rear buttons and fan grid. 10 degrees tilt.
The slicer has to be set to avoid unpleasant stringing close to the device:

UPDATE
Added:
To be stuck on the Nebula holder or to be adapted before printing
ADVICE
Use a L HDMI adapter like this one.
The author marked this model as their own original creation.