My first thing :D.
It is a pebble stand with built in charging and cable management. You might need to adjust the tabs that hold the cable to make sure your cable is firmly in place.
Hope you like it write a comment if there is any problems.
It is a simple print even my not fully calibrated printer did a great job. I made it using the .dae file in cura not sure if there is a difference if you would use the .stl.