Phone or tablet holder that can adjust to any angle or fold up. Prints in place as single assembly without supports. To adjust angle, push barrel so indexer disengages, move to desired position and then slide barrel back to lock in place. See GIF in link for visual of adjustment:
https://drive.google.com/file/d/1MTKbOTY0-5pNHdjpJO3Non53Uc-lLA87/view?usp=sharing
Print vertically on side with toothed indexer away from build plate.
The author hasn't provided the model origin yet.