This DIY was pretty simple! It was all a matter of measuring, cutting out your pieces and glueing it together!
Here are the measurements to this storage system:
1 back piece measuring at 15.5 by 21.5 inches
2 side pieces measuring at 15 by 7 inches
2 pieces measuring at 21.5 by 7 (one piece for the bottom and one for the top
4 shelves measuring at 6 by 21 (cut 5 slits halfway through)
5 shelves measuring at 15 by 6 ( cut 4 slits halfway through)