phone stand based on estep calibrate

After I printed a STEP Calibration Piece by voltivo, I decided to make a remix of it in order to modify it to a phone stand. And this phone stand is easy to print and easy to assemble with the original STEP Calibration Piece as a whole. Enjoy it!
If you dont want to assemble this stuff and save some filament from support, you can check out my another phone holder project:www.thingiverse.com/thing:3388941