This is extremely easy and cheap. I´ve seen these types of organizers for 150 pesos (13 dollars) In my case, this was completely free since I used scraps and foam sheets that I had lying around. If you want it to be larger, just add more foam.
by Dreamy Posy
by Crafting with Rachna
by Venus Bloom
by Mr. Vinci
by Hectanooga1 - Crochet, Knitting,