If you like “Stacked” shelf system from Muuto but don’t want to get something similar much cheaper than you can make it from MDF. Besides the custom-made shelf system will be much better solution to your specific storage and display needs. The process of making such system is simpler than you think.
First of all buy several pieces of white MDF. Cut the whole bunch of it in shorter lengths according to your needs. Nowadays you can do that in most DIY stores. Pre-drill places where you want to connect the pieces you got and fix them together using screws. Cover raw ends with laminate using an iron and you’re done.
The best thing about such shelf system that you can arrange it any way you like.